Here's what rhymes with nonsinuous.
sinuous Words that almost rhyme with nonsinuous
sinless thickness fitness sickness vicious citrus fearless viscous assiduous unfitness cirrus villus business minutes witness visits ambitious richness stiffness stillness hindrance litmus thickets bigness dimness discus hillocks officious windlass windless witless distance assistance limits spirits bishops adherence forgiveness insistence mistress digits inhibits malicious pernicious shipments tickets auspicious bacillus biscuits eyewitness frigates grimace listless meniscus pickets quickness rivets seditious swiftness avaricious billets consistence pittance pivots resistless beardless bigots hibiscus mastitis nimbus pickups riddance snippets unambitious wickets wingless existence religious appearance resistance assistants clearance exhibits persistence subsistence suspicious adherents coherence delicious fictitious judicious admittance brilliance capricious pigments contingents diffidence elicits nutritious papyrus strictness crickets cystitis factitious indigence nonexistence triplets litigious nonreligious profitless solicits interference commitments prodigious prestigious prohibits archbishops propitious reminiscence trinkets incoherence infringements injudicious irreligious remittance surreptitious transmittance endearments unpropitious coefficients disappearance perseverance superstitious coexistence delinquents adventitious distinctness reappearance eucalyptus expeditious repetitious agribusiness enlistments noninterference