Propane rhymes with:
mangiapane, tompane, windowpane, accutane, acquitaine, airplane, alleyne, asiain, badelain, biplane, birdbrain, bloodstain, bonvillain, brisbane, casgrain, cellophane, chamberlayne, charlemagne, chlordane, clephane, cobain, cobaine, coltrain, culhane, cullinane, dogbane, dunblane, ethane, eyestrain, fishbaine, floodplain, forebrain, henbane, hossein, hurricane, kardashian, keohane, lafontaine, lindane, machain, magrane, mangiapane, matabane, mcelvain, mcelvaine, mcelwain, mcelwaine, mcilvain, mcilvaine, mcilwain, membrane, messiaen, methane, migraine, monoplane, outgain, overlain, pellicane, pentane, petrolane, polyurethane, powertrain, procaine, ronayne, sarbane, sartrain, seatrain, seldane, sugarcane, sulfurophane, tompane, urethane, warplane, windowpane
Propane sounds like:
paraffin, parvin, perfume, peruvian, prebon, previn, profane, propfan, proven, provine, purvin