Odyssey's rhymes with:
candidacies, accuracies, associes, bureaucracies, bureaucracy's, candidacies, confederacy's, conspiracies, courtesies, delicacies, democracies, democracy's, embassies, embassy's, fallacies, fantasies, hennessey's, inadequacies, intricacies, jealousies, legacies, pharmacies, policies, policy's, privacies, prophecies
Odyssey's sounds like:
oates, oaths, oatis, oats, odaiko, oddities, odds, odes, odessa, odetics, odious, odysseus, odyssey, otis, otsego, otsuka, ottawa's, ottaway's, otto's, otts, out's, outage, outages, outdoes, outgo, outguess, outguesses, outhouse, outhouses, outs, outsize, outtake, outtakes, outweigh, outweighs, outwits, owades