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