Words That Rhyme With "Opinion" :
2 syllables:
banian, banyan, bunion, Bunyan, canyon, chignon, chinen, fanion, finnan, grunion, Kenyan, linen, minion, ninon, onion, pinion, pinon, ronyon, Runyon, trunnion, union, wanion
3 syllables:
champignon, communion, disunion, dominion, Houyhnhnm, Mackinnon, nonunion, reunion, Virginian
4 syllables:
antiunion, Catalonian, Macedonian, postcommunion