Olympus rhymes with:
bumpus, campus, compas, compass, encompass, gyrocompass, hippocampus, pompous, all-purpose, bippus, bumpus, campus, chapas, chiapas, compas, compass, coppess, copus, corpus, encompass, eohippus, gyrocompass, hippocampus, hospice, kappus, lapis, lupus, malpass, manglapus, molpus, molpus', mopus, multipurpose, negropalpus, oedipus, opus, pappas, pompous, porpoise, prapas, precipice, purpose, tapas
Olympus sounds like:
olympia's, olympias, olympic, olympic's, olympics