Words That Rhyme With "Isobutane" :

2 syllables:

booten, butane, cetane, crouton, futon, gluten, hooten, luten, Luton, mouton, newton, nutone, pluton, rutin, shootin', Teuton

3 syllables:

pahutan, rambutan

4 syllables:

hifalutin, highfalutin