Ab (ā before consonants)

respiciō, respicere, respexī, respectus/a/um = to look back at [aspect, audiospectogram, auspices, auspicious, cacospectamania, chronospecies, circumspect, conspicuous, despicable, despise, despite, ecospecies, especial, espionage, expect, expectancy, extrospection, haruspex, haruspicate, inauspicious, inspect, inspection, introspect, introspective, perspective, perspicacious, perspicacity, perspicuous, prospect, prospective, prospectus, respect, respective, respite, retrospect, special, species, specification, specify, specimen, specious, spectacle, spectacles, spectacular, spectator, specter, spectral, spectroheliograph, spectrology, spectrometer, spectrophobia, spectrum, speculate, speculation, speculative, speculator, spy, suspect, suspicion, suspicious]

respondeō, respondēre, respondī, responsus/a/um = to answer [respond, responsible, responsive, R.S.V.P. : correspond, correspondence, correspondent, correspondingly, despond, despondency, despondent, despondingly, espousal, espouse, irresponsible, reposte, respond, respondence, respondency, respondent, response, responsibility, responsible, responsive, responsory, sponsor, sponsorial, sponsorship, spontaneous, spouse]

respōnsum, respōnsī N. = reply, answer [respond, responsible, responsive, R.S.V.P. : correspond, correspondence, correspondent, correspondingly, despond, despondency, despondent, despondingly, espousal, espouse, irresponsible, reposte, respond, respondence, respondency, respondent, response, responsibility, responsible, responsive, responsory, sponsor, sponsorial, sponsorship, spontaneous, spouse]

rēs pūblica, rēī pūblicae F = republic, the state [real, realism, realist, realistic, realistically, reality, realizable, realization, realize, realized niche, really, republic, Republican, republican, republicanism, republicanize, republicrat, unreal, unrealizable, real, reality, realize, realty, republic, republican, reify]

restituō, restituere, restituī, restitūtus/a/um = to restore [stable, static, station, status, stasis, aerostat, aerostatic, amyostasia, ananastasia, anastasis, antidisestablishmentarian, apostasy, apostate, armistice, arrest, arrester, arteriostasis, assist, assistance astasia, astatic, bacteriostasis, bacteriostat, barostat, biostabilizer, biostasis, biostatistics, biostitute, circumstance, circumstantial, consist, constable, constabulary, constancy, constant, constituency, constituent, constitute, constitution, constrastive, contrast, contrastively, desist, destination, destine, destiny, destitute, destitution, distance, distant, ecstatic, electrohemostasis, enterostasis, equidistant, establish, establishment, establishmentarian, estate, exist, existence, existent, existentialism, extant, frigostable, fungistasis, fungistat, galactostasis, geodesist, gyrostabilizer, heliostat, hemostasis, hemostat, homeostasis, homoiostasis, humidistat, hydrostat, hydrostatic, hypostasis, iconostasis, inconsistency, inconsistent, inconstancy, inconstant, inconstantly, insist, insistence, insistent, insistently, in situ, instability, instance, instant, instantaneous, instantaneously, instantly, instate, instatement, institute, institution, institutional, institutionally, interstice, interstitial, interstitially, irresistibility, irresistible, irresistibleness, isostasy, kinestasis, lexicostatistic, lymphostasis, menostasia, menostasis, metastasis, meteoresistant, metrostasis, microstat, misstatement, mycostasis, obstacle, obstinacy, obstinate, obstinately, omnidistance, ophthalmostasis, persist, persistence, persistency, persistent, phlebostasis, pluriresistent, preexist, preexistence, presbystasis, proctostasis, prostate, prostitute, prostitution, pyrostat, reconstituent, reconstitute, reinstate, reinstatement, resist, resistance, resistant, resistantly, resistible, resistibly, resistive, resistless, resistlessly, resistlessness, rest, restate, restitute, restitution, restive, restively, rheostat, schistasis, siderostat, solstice, stability, stabilize, stabilizer, stable, stably, stage, staged, staging, stagnant, staid, stamen, stamina, staminal, staminate, stance, stanchion, stanza, stasiphobia, stasophilous, state, stateliness, stately, statement, static, station, stationary, stationer, stationery, statistical, statistically, statistician, statistics, statoblast, statoscope, statuary, statue, statuesque, statuette, stature, status, status quo, statute, statutory, staunch, subsist, subsistence, subsistent, substance, substantial, substantiate, substantially, substantiation, substantival, substantive, substantively, substitute, substitution, substitutional, substitutive, superstition, superstitious, thermistor, thermoresistance, thermoresistant, thermostable, thermostasis, thermostat, transubstantiate, transubstantiation, unconstitutional, unconstitutionally, understate, understatement, unstable, unstably, venostasis]

revertō, revertere, revertī, reversus/a/um = to turn back [adversa, adversary, adversative, adversatively, adversativeness, adverse, averse, adversely, adverseness, adversion, adversity, adversus; adv., advertence, advertency, advertent, advertently, adverter, advertise, advertisement, advertiser, advertising, advertive, alopecia universalis, ambiversion, animadversion, animadversive, animadversiveness, animadvert, animadverter, anniversary, anteversion, antevert, aquatic vertebrate, autocholecystotransversecolostomy, averse, aversely, averseness, aversion, avert, avertible, bioconversion, biodiversity, contraversialist, contraversially, controverse, controversial, controversialism, controversialist, controversially, controversion, controversy, controvert, controvertible, controvertibly, conversable, conversableness, conversably, conversant, conversantly, conversation, conversational, conversationalist, conversationally, converse, conversely, converser, conversibility, conversible, conversion, conversive, convert, converter, convertibility, convertible, convertibly, convertive, costotransversectomy, costovertebral, dextrorse, dextroversion, divers, diverse, diversely, diverseness, diversifiable, diversification, diversifier, diversify, diversiloquent, diversiloquence, diversion, diversity, diversivolent, divert, divertingly, divertingness, divertisement, divertive, divorce, divorceable, divorcee, divorcement, divorcer, electrothermal energy conversion, electroversion, eversion, evert, evertebrate, ex adverso = “from the opposite side.”, extraversion, extrorse, extrovert, inadvertence, inadvertent, inadvertently, incontrovertible, incontrovertibleness, incontrovertibly, inconversant, inconvertible, inconvertibleness, inconvertibly, introrse, introversion, introversive, introvert, inverse, inversely, inversion, inversive, invert, invertebrate, inverter, invertible, ipsiversive, irreversible, irreversibleness, irreversibly, lateroversion, levocycloversion, levoversion, linguoversion, malversation, mentotransverse, mesioversion, mesioplacement, mesial displacement, obverse, obversely, obversion, obvert, obvert, perverse, perversely, perverseness, perversion, perversity, perversive, pervert, pervertible, prosaic, prosaically, prosaicness, prosaism, prosaist, prosy, quaquaversal, reconvert, reconvertibility, reconvertible, retrorser, retroversion, revers, reversal, reversatile, reverse, reversely, reverser, reversible, reversibly, reversicon, reversion, reversionary, reversioner, reverso, revert, sacrovertebral, seroconversion, seroreversion, sinistrorse, subversary, subversion, subversive, subvert, subverter, subvertible, suzerain, suzerainty, tergiversate, tergiverse, tetrovert, thermal inversion, transversal, transversality, transversally, transverse, transversectomy, transverse suture, traversable, traverse, traverser, universal, universalism, universalist, universalistic, universality, universalize, universally, universalness, universe, university, versatile, versatilely, versatileness, versatility, verse, versed, versicle, versicolor, versifier, versify, versify, version, verso, versus; vs., vertebra, vertebral, vertebrally, vertebrate, vertebrectomy, vertex, vertical, verticality, vertically, verticil, verticillation, vertiginous, vertiginousness, vertigo, vervel, vice versa = The other way round; the change being turned, vortex, vortical, vorticism, vortiginous]

revertor, revertī, reversus sum = to return (deponent verb) [adversa, adversary, adversative, adversatively, adversativeness, adverse, averse, adversely, adverseness, adversion, adversity, adversus; adv., advertence, advertency, advertent, advertently, adverter, advertise, advertisement, advertiser, advertising, advertive, alopecia universalis, ambiversion, animadversion, animadversive, animadversiveness, animadvert, animadverter, anniversary, anteversion, antevert, aquatic vertebrate, autocholecystotransversecolostomy, averse, aversely, averseness, aversion, avert, avertible, bioconversion, biodiversity, contraversialist, contraversially, controverse, controversial, controversialism, controversialist, controversially, controversion, controversy, controvert, controvertible, controvertibly, conversable, conversableness, conversably, conversant, conversantly, conversation, conversational, conversationalist, conversationally, converse, conversely, converser, conversibility, conversible, conversion, conversive, convert, converter, convertibility, convertible, convertibly, convertive, costotransversectomy, costovertebral, dextrorse, dextroversion, divers, diverse, diversely, diverseness, diversifiable, diversification, diversifier, diversify, diversiloquent, diversiloquence, diversion, diversity, diversivolent, divert, divertingly, divertingness, divertisement, divertive, divorce, divorceable, divorcee, divorcement, divorcer, electrothermal energy conversion, electroversion, eversion, evert, evertebrate, ex adverso = “from the opposite side.”, extraversion, extrorse, extrovert, inadvertence, inadvertent, inadvertently, incontrovertible, incontrovertibleness, incontrovertibly, inconversant, inconvertible, inconvertibleness, inconvertibly, introrse, introversion, introversive, introvert, inverse, inversely, inversion, inversive, invert, invertebrate, inverter, invertible, ipsiversive, irreversible, irreversibleness, irreversibly, lateroversion, levocycloversion, levoversion, linguoversion, malversation, mentotransverse, mesioversion, mesioplacement, mesial displacement, obverse, obversely, obversion, obvert, obvert, perverse, perversely, perverseness, perversion, perversity, perversive, pervert, pervertible, prosaic, prosaically, prosaicness, prosaism, prosaist, prosy, quaquaversal, reconvert, reconvertibility, reconvertible, retrorser, retroversion, revers, reversal, reversatile, reverse, reversely, reverser, reversible, reversibly, reversicon, reversion, reversionary, reversioner, reverso, revert, sacrovertebral, seroconversion, seroreversion, sinistrorse, subversary, subversion, subversive, subvert, subverter, subvertible, suzerain, suzerainty, tergiversate, tergiverse, tetrovert, thermal inversion, transversal, transversality, transversally, transverse, transversectomy, transverse suture, traversable, traverse, traverser, universal, universalism, universalist, universalistic, universality, universalize, universally, universalness, universe, university, versatile, versatilely, versatileness, versatility, verse, versed, versicle, versicolor, versifier, versify, versify, version, verso, versus; vs., vertebra, vertebral, vertebrally, vertebrate, vertebrectomy, vertex, vertical, verticality, vertically, verticil, verticillation, vertiginous, vertiginousness, vertigo, vervel, vice versa = The other way round; the change being turned, vortex, vortical, vorticism, vortiginous]

revocō, revocāre, revocāvī, revocātus/a/um = to call back, summon back [advocacy, advocate, advocation, advocatus diaboli = Devil's advocate.; advowson, avocation, avouch, avouchment, avouchable, avoucher, avow, avowable, avowableness, avowal, avowedly, avowedness, avower, avowry, Bonavox = Bono, lead singer of U2; convocation, convoke, convoker, disavow, disavowal, disavowedly, disavower, equivocal, equivocally, equivocalness, equivocate, equivocation, equivocator, equivoke, evocable, evocation, evocative, evoke, evoker, intervocalic, invocation, invoke, irrevocable, irrevocableness, magnavox, provocation, provocative, provocatively, provocativeness, provokable, provoke, provoker, provokingly, provokingness, revocable, revocably, revocation, revocatory, revoke, revoker, revokingly, sotto voce = “song in a soft voice”, s.v. = sub voce = “under the word.”; unequivocal, unequivocally, unequivocalness, univocal, unprovoked, unprovokedly, unvoiced, viva voce = “sung in a lively manner”, vocable, vocabularian, vocabulary, vocabulary entry, vocabulist, vocal, vocalism, vocalist, vocalization, vocalize, vocally, vocation, vocational, vocative, vociferant, vociferate, vociferation, vociferous, vociferously, vociferousness, voice, voiced, voicelessly, voicelessness, voiceprint, vouch, voucher, vouchsafe, vowel, vox, ad hanc vocem = a.h.c. = At this word.;]

rēx, rēgis M = king [address, addressee, addresser, addressograph, adroit, adroitly, adroitness, alert, alertly, alertness, assurgent, bioregion, correct, correction, correctional, corrective, correctively, correctly, correctness, corrigibility, corrigible, counterinsurgency, derail, derailment, direct, direction, directive, directively, directness, director, directory, directrix, dirge, dirigible, dress, dresser, dressy, erect, erectile, erection, erector, hypercorrection, incorrect, incorrectly, incorrectness, incorrigibility, incorrigible, incorrigibly, indirect, indirection, indirectly, insurgent, insurrection, insurrectionary, insurrectionist, interregnum, irregular, irregularity, irregularly, maladroit, multidirectional, omnidirectional, osmoregulation, osmoregulator, pax regis, rail, realm, rectalgia, rectangle, rectangular, rectangularly, rectifiable, rectification, rectifier, rectify, rectigrade, rectilineal, rectilinear, rectilinearly, rectitis, rectitude, recto, rectoabdominal, rectopexy, rectophobia; rectoplasty, rector, rectorrhagia, rectorrhagy, rectory, rectoscope, rectoscopy, rectosigmoidectomy, rectotomy, rectrix, rectum, rectus, redress, regal, regally, regency, regent, regicide, regicidism, regicidal, regime, regimen, regiment, regimental, regina, region, regnant, regular, regularly, regulate, regulation, regulator, reign, resource, resourceful, resourcefulness, resourceless, resourcelessness, resurge, resurgence, resurgent, resurrect, resurrection, resurrectionary, royal, royalism, royalist, royally, royalty, rule, ruler, ruling, sortie, sortilege, source, surge, surge capacity, surge suppressor, surge protector, thermoregulation, thermoregulator, unruly]

rīdeō, rīdere, rīsī, rīsus /a/um = to laugh, smile [riant, ridiculous, ridicule, deride, derision, risible, risibility]

rīpa, rīpae F. = bank (or a river, stream) [arrival, arrive, arriving, arrived, derivable, derivation, derive, deriver, Riparia, riparian, riparious, riparius, river, riverain, riverine, riviera, rivière (s), rivières (pl), rivulet]

rīsus, rīsūs M = smile, laugh, laughter [riant, ridiculous, ridicule, deride, derision, risible, risibility]

rīvus, rīvī M. = stream [arrival, arrive, arriving, arrived, derivable, derivation, derive, deriver, Riparia, riparian, riparious, riparius, river, riverain, riverine, riviera, rivière (s), rivières (pl), rivulet]

rixa, rixae F = quarrel

rogātiō, rogātiōnis F. = question [abrogate, abrogation, arrogant, arrogate, derogate, derogatory, interrobang, interrabang:(), interrogate, interrogation, interrogative, interrogatory, prerogative, prorogation, prorogue, rogation, subrogate, supererogation, supererogatory, surrogate]

rogō, rogāre, rogāvī, rogātus/a/um = to ask [abrogate, abrogation, arrogant, arrogate, derogate, derogatory, interrobang, interrabang:(), interrogate, interrogation, interrogative, interrogatory, prerogative, prorogation, prorogue, rogation, subrogate, supererogation, supererogatory, surrogate]

rota, rotae, F. = wheel [rota (British), rotary, rotate, rotation, rotator, rotatory, rotavirus, rotifer, rotiform, rotogravure, rotor, rototill, rototiller, rotund, rotunda, rotundity]

ruīna, ruīnae F. = collapse, ruin, downfall [ruin, ruination, ruinous, ruinate, ruinously, ruinousness]

rumpō, rumpere, rūpī, ruptus/a/um = to burst; break [abrupt, abruptly, abruption, autoroute, autoroutes, bankrupt, bankrupted, bankruptcy, bankrupting, corruptness, corrupt, corrupting, corrupted, corrupter, corruptibility, corruptible, corruptibly, corruption, corruptionist, corruptive, corruptively, corruptless, corruptly, corruptress, disrupt, disrupted, disruption, disruptive, disruptively, erupt, eruption, eruptive, eruptively, incorrupt, incorruptibility, incorruptible, incorruptibly, incorruption, incorruptly, interrupt, interrupter, interruption, interruptive, interruptively, irrupt, irruption, irruptive, myringorupture, rote, rout, route, routine, routinely, routinism, routinist, routinization, routinize, rupture, rut, uncorrupt, uninterrupted]

ruō, ruere, ruī, rutus/a/um = to fall; to rush [ruin, ruination, ruinous, ruinate, ruinously, ruinousness]

rūrsus = again, back again [ruse]

rūs, rūris N = the country (as in the countryside, not nation) [rural, ruralist, rustic, rurban, rusticate, rustication, rusticism, rusticity, roister, roisterer, roisteringly] rūre (or rūrī)= in the country rūs = to the countryside

russātī, russātōrum M pl = The “Reds” (racing faction/team) [russet]

russātus, russāta, russātum = red, reddened [russet]

(1) rūsticus, rūsticī M = peasant, a person who lives country [rural, ruralist, rustic, rurban, rusticate, rustication, rusticism, rusticity, roister, roisterer, roisteringly] (2) rūsticus, rūstica, rūsticum = of the country (ADJ)

sacculus, sacculī M = small bag (used for holding money) [airsacculitis, microsaccades, pseudosaccus (s), pseudosacci (pl), saccade, saccaduc eye movement; saccadic movement, saccadic, saccate, sacciform, sac, saccular, sacculate, sacculated stomach, sacculation, saccule, sacculus, sacculi alveolares, sac fungus, saccus (s), sacci (pl), sachet, sack, sackbut, sack cloth, sacking, sacque, saccus anticus, saccus conjunctiva, saccus endolymphaticus, endolymphatic sac, saccus lacrimalis, saccus medius, saccus posticus, utriculosaccular]

sacer, sacra, sacrum = holy, sacred [consecraphile, consecraphilist, consecrate, consecratedness, consecration, desecrate, desecrater, desecration, execrable, execrably, execrate, execration, obsecrate, obsecration, sacerdotal, sacerdotalism, sacerdotalist, sacerdotalize, sacerdotally, sacrad, sacral, sacrament, sacramental, sacramentalism, sacramentalist, sacramentally, sacramentarian, sacrarthrogenic, sacrectomy, sacred, sacredly, sacredness, sacrifice, sacrificial, sacrificially, sacrificialness, sacrilege, sacrilegious, sacrilegiously, sacrilegiousness, sacristan, sacristy, sacroanterior, sacroccygeal, sacrococcyx, sacrocoxalgia, sacrocoxitis, sacrodynia, sacroiliac, sacroilitis, sacrolumbar, sacroposterior, sacrosanct, sacrosanctity, sacrotomy, sacrovertebral, sacrum, sanctanimity, sanctifiable, sanctifiableness, sanctificate, sanctification, sanctified, sanctifier, sanctify, sanctilogy, sanctology, sanctiloquent, sanctiloquence, sanctimonial, sanctimonious, sanctimoniously, sanctimony, sanctiomony, sanction, sanctionary, sanctity, sanctorium, sanctuarize, sanctuary, sanctum (singular), sancta (plural), sanctum sanctorum (singular), sancta sanctorum (plural), Sanctus, santicolist, spiritus sanctus = Holy Ghost and/or Holy Spirit., sexton]

sacerdōs, sacerdōtis M/F. = priest, priestess [consecraphile, consecraphilist, consecrate, consecratedness, consecration, desecrate, desecrater, desecration, execrable, execrably, execrate, execration, obsecrate, obsecration, sacerdotal, sacerdotalism, sacerdotalist, sacerdotalize, sacerdotally, sacrad, sacral, sacrament, sacramental, sacramentalism, sacramentalist, sacramentally, sacramentarian, sacrarthrogenic, sacrectomy, sacred, sacredly, sacredness, sacrifice, sacrificial, sacrificially, sacrificialness, sacrilege, sacrilegious, sacrilegiously, sacrilegiousness, sacristan, sacristy, sacroanterior, sacroccygeal, sacrococcyx, sacrocoxalgia, sacrocoxitis, sacrodynia, sacroiliac, sacroilitis, sacrolumbar, sacroposterior, sacrosanct, sacrosanctity, sacrotomy, sacrovertebral, sacrum, sanctanimity, sanctifiable, sanctifiableness, sanctificate, sanctification, sanctified, sanctifier, sanctify, sanctilogy, sanctology, sanctiloquent, sanctiloquence, sanctimonial, sanctimonious, sanctimoniously, sanctimony, sanctiomony, sanction, sanctionary, sanctity, sanctorium, sanctuarize, sanctuary, sanctum (singular), sancta (plural), sanctum sanctorum (singular), sancta sanctorum (plural), Sanctus, santicolist, spiritus sanctus = Holy Ghost and/or Holy Spirit., sexton]  From –dōs, -dōtis from do, dare – to give [donate, donation, donee, donor, Dorothea, Dorothy, Eudora, Fedora, Isidore, Theodore]