Words That Rhyme With "Inion" :

4 syllables:

Abyssinian, actinian, Arminian, Darwinian, hominian, Justinian, Mordvinian, Sardinian, Socinian

5 syllables:

Argentinian, Augustinian, Carolinian, Carthaginian, catarrhinian, hirudinean, Palestinian, platyrrhinian, Valentinian