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