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