Here's what rhymes with pergamentaceus.
basis homeostasis Words that almost rhyme with pergamentaceus
bases chases mendacious cases places faces races spaces traces spacious vases audacious braces herbaceous laces mesas phases gracious raises praises tenacious capacious gazes sebaceous phrases efficacious fallacious vexatious vivacious voracious glazes ungracious flirtatious salacious ostentatious fireplaces loquacious metastases paraphrases baseless famous heinous painless tasteless bailiffs faceless mandamus plainness patience payments courageous stainless cadence contagious nameless outrageous valence abeyance blameless faithless hiatus sameness shameless shapeless waitress basements lateness fracas graceless ignoramus weightless patients greatness impatience platelets pavements placements complaisance faintness straightness statements advantageous conveyance engagements surveillance attainments claimants fragrance reagents assailants strangeness repayments vagrants emplacements inpatients quaintness arrangements acquaintance entertainments replacements complainants misstatements displacements disadvantageous rearrangements