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