Words That Rhyme With "Idiom" :

4 syllables:

ascidium, basidium, bothridium, clostridium, conidium, ctenidium, cymbidium, cystidium, glochidium, gonidium, iridium, isidium, nephridium, oidium, presidium, pycnidium, pygidium, Pyridium, pyxidium, rubidium

5 syllables:

antheridium, favellidium, hesperidium, miracidium, ommatidium

6 syllables:

cryptosporidium, endoperidium, exoperidium, hologonidium, mycocecidium