Here's what rhymes with unshamefacedness.
Words that almost rhyme with unshamefacedness
lateness greatness straightness elaborateness deliberateness heinous sameness famous faithless shameless vivacious faceless faintness tameness basis spacious stainless surveillance cadence nameless valence audacious fallacious herbaceous hiatus painless sebaceous shapeless baseless plainness fracas salacious grayness greyness tailless patience gracious courageous efficacious fragrance tenacious abeyance assailants blameless capacious strangeness tasteless vexatious voracious waitress bailiffs vagrants flirtatious graceless quaintness weightless humaneness profaneness patients acquaintance payments conveyance attainments contagious outrageous mandamus ungracious mendacious farinaceous arrangements statements advantageous impatience claimants platelets reagents homeostasis ostentatious pavements basements ignoramus loquacious inhalants intranets periphrasis perspicacious entertainments placements complainants complaisance repayments inpatients complacence engagements disadvantageous rearrangements misstatements disputatious displacements replacements emplacements