Out's rhymes with:
about's, bouts, couts, coutts, doubts, drought's, droughts, flouts, fouts, foutz, houts, houtz, louts, outs, pouts, scout's, scouts, shouts, snout's, snouts, spouts, sprouts, thereabouts, touts, trout's, youtz
Out's sounds like:
oates, oaths, oatis, oats, odaiko, oddities, odds, odes, odessa, odetics, odious, odysseus, odyssey, odyssey's, otis, otsego, otsuka, ottawa's, ottaway's, otto's, otts, outage, outages, outdoes, outgo, outguess, outguesses, outhouse, outhouses, outs, outsize, outtake, outtakes, outweigh, outweighs, outwits, owades