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