Butane rhymes with:
abstain, aquitaine, ascertain, attain, brattain, buntain, chastain, contain, costain, detain, entertain, fontaine, fountaine, lafountain, lafountaine, lamontagne, maintain, mustain, obtain, partain, pertain, petain, retain, sartain, stain, sustain, uptain
Butane sounds like:
badami, baden, badman, baeten, baidoan, bataan, batan, bateman, batman, baton, batten, battin, batton, baudoin, baudouin, bawden, baytown, beaten, beaton, beaudin, beaudoin, bedouin, bedtime, beeton, bethany, bethune, betten, bettin, bettina, bettini, bettino, bettman, betton, between, beuthin, bhutan, bidden, biden, biotin, bitney, bitten, bittman, bitton, bitumen, boatman, bodden, boden, bodin, bodine, bodman, boitano, booten, boothman, booton, botany, botham, bothun, botin, boton, botten, bottini, bottino, bottom, bottone, boudin, boudoin, boutin, bouton, bowden, bowdoin, boyden, budden, buddin, budiman, budin, budney, budny, buffton, buitoni, butman, button