Onion Last-Syllable Rhymes 57 Rhymes Found Add Onion to Favorites Definition Thesaurus Two-Syllable Rhymes 22 banyan billion bullion bunion bunyan canyon grunion hellion million minion mullion onion pillion pinion pinon scallion scullion stallion trillion trunnion union zillion Three-Syllable Rhymes 28 australian battalion brazilian centillion chameleon civilian communion companion cotillion dominion italian mammalian medallion opinion paul-bunyan pavilion postilion prounion pygmalion quadrillion quintillion rapscallion rebellion reptilian reunion sicilian vermilion vermillion Four-Syllable Rhymes 4 californian multimillion perihelion vaudevillian Five-Syllable Rhymes 3 aristotelian episcopalian machiavellian