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