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