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