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