Words That Rhyme With "Thyroxin" :

2 syllables:

auxin, Roxanne, tocsin, toxin

4 syllables:

aflatoxin, antiauxin, antitoxin, autotoxin, cytotoxin, digitoxin, endotoxin, exotoxin, haemotoxin, hemotoxin, hypnotoxin, mycotoxin, picrotoxin, pyrotoxin

5 syllables:

hepatotoxin, heteroauxin