Words That Rhyme With "Auxin" :

2 syllables:

Roxanne, tocsin, toxin

3 syllables:

thyroxin

4 syllables:

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

5 syllables:

hepatotoxin, heteroauxin