Words That Rhyme With "Poseidon's" :
2 syllables:
baden's, biden, breeden's, briden, brightens, Brighton, broadens, chiton, Dryden, Edens, eiben, eigen, frightens, gooden's, Haydn, Haydn's, heightens, Huygens, items, knighten, Leiden, Leyden, lichenes, lichens, liden, ligan, ligas, lightens, likens, maidens, reiten, riden, Rigas, righten, Schleiden, stridence, sweden's, tightens, titans, triton, triton's, whiten, widens
3 syllables:
abidance, enlightens, Nevadans