What rhymes with barbitone

2 Syllables
barton, carton, kathryn, marten, martian, martin, partan, parthian, parton, schwerin, smarten, southern, spartan, tartan, wharton
3 Syllables
algernon, calutron, carleton, dynatron, endorphin, erythromycin, ferritin, freemartin, hearten, heparin, keratin, pyrethrin, resnatron, sauterne, thyratron
4 Syllables
barbitone, dishearten, herbartian, kindergarten, periastron, unitarian
5 Syllables
gonadotropin
7 Syllables
redetermination