Ones' rhymes with:
one's, ones, bruns, buns, chun's, dones, dun's, duns, frunze, funs, glunz, gun's, gunn's, guns, homeruns, kuns, kunz, kunze, lunz, mcfun's, munns, muns, munz, nun's, nunn's, nuns, nuns', one's, ones, outruns, puns, reruns, run's, runs, shuns, son's, sons, stuns, sun's, suns, tonnes, tons, unz, younes
Ones' sounds like:
oehmens, ohioans, ohm's, ohms, ohnemus, omaha's, omans, omega, omens, ominous, onassis, onassis', onassis's, once, one's, oneness, oneok, ones, onex, onex's, ong, onions, onishi, ons, onus, onyx, ounce, ounces, owen's, owens, owens's, owing, owings, owning, owns