Pentane rhymes with:
lafontaine, accutane, acquitaine, bloodstain, lafontaine, 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, petrolane, polyurethane, powertrain, procaine, propane, ronayne, sarbane, sartrain, seatrain, seldane, sugarcane, sulfurophane, tompane, urethane, warplane, windowpane
Pentane sounds like:
pandemonium, pantano, pantheon, pantomime, panton, pentium, penton, phantom, pondimin, ponton, pontoon, poynton