Dedication: 3/15/05

bassus: thick, fat, low (not in OLD and unrelated to Grk bainw, from which base, basis

abase, abasement, bas-relief, base (evil), bass (low), basset, bassinet, basso, bassoon, bassonist, debase, debasement, debaser

bat(t)uo: pound, beat

abatable, abate, abatement, abatis, abator, abattoir, bat (baseball, an eye), bated, battalion, batter, battering-ram, battery, battle, battle-ax, battledore, battledress, battlefield, battlefront, battleground, battleline, battlement, battleship, battlesome, combat, combatable, combatant, combative, combatively, combativeness, counterbattery, debatable, debatably, debate, debatedly, debater, embattled, embattlement, noncom, noncombat, noncombatant, outbattle, rebate, unabated, undebatable, undebated

See OED and W3 entries for bat and bate(d).