Oshatz rhymes with:
schatz, shatz, at-bats, atz, bats, batts, batz, blatz, brats, bratz, cat's, cats, chats, chatz, chatz', combats, dats, datz, fats, flats, gatz, glatz, gnats, gratz, hat's, hats, hatz, kats, katz, kratz, labatt's, latz, mats, mattes, matts, matz, nats, pat's, pats, patz, platts, platz, prats, pratt's, rat's, rats, ratts, ratz, satz, schatz, shatz, slats, spats, spatz, stats, statz, that's, vats
Oshatz sounds like:
okey-dokey, ouagadougou, ouzts, oxides, oxidize