Eärnur masc.name, contraction of Eärendur(Appendix A)
ëaronnoun “ocean” (PE17:27), also airon. Cf. ëar.
ec- (“k”)verb denoting an opportunity, with the one having the opportunity in dative: ecë nin carë sa “I can do it” (it-is-open for-me to-do it), ecë nin? “please, may I?”, ecuva nin care sa noa “I may do [have a chance of doing] do that tomorrow”. This construction is said to denote “have chance, opportunity or permission” (VT49:20, 34)
ecco("k") noun "spine". (In the Etymologiesas printed in LR, entry EK/EKTE, the gloss is given as "spear", but according to VT45:12 this is a misreading of Tolkien's manuscript.)