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