Here's what rhymes with effkiency.
Words that almost rhyme with effkiency
decency regency piquancy peony frequency deity fealty leniency realty reapply recently legally secrecy speedily agreeably decently greedily grievously peaceably unevenly zealously gleefully indecency serenely sleepily regally feasibly speciously cheekily greasily piquantly sneakily creakily creepily queasily wheezily squeakily creamily sleazily frequently obesity illegally peacefully ceaselessly needlessly uneasily aridity coherently dreamily ideality disagreeably facetiously genially heedlessly infrequency leniently naivety seamlessly drearily egregiously breezily dubiety phonemically covetously speechlessly heedfully needfully sleeplessly coequally anemically appreciably conceivably supremely unequally unspeakably indecently irredeemably obscenely believably conceitedly conveniently infrequently ingeniously unfrequently benignity inconceivably deceitfully congenially inappreciably homogeneity spontaneity historicity crystallinity irretrievably unbelievably inconveniently heterogeneously indefeasibly unrelievedly heterogeneity simultaneity centripetally contemporaneity