Words That Rhyme With "Allochthon" :

2 syllables:

auction, Brocken, cockswain, coxen, coxon, coxswain, docken, dockson, Dothan, Gotham, hawken, Occam, Ockham, option, oxen, walken

3 syllables:

adoption, autochthon, concoction, decoction, moroccan