Sleepwear rhymes with:
groupware, anywhere, bakeware, bundeswehr, compuware, cookware, delaware, delftware, dinnerware, earthenware, elsewhere, everywhere, eyewear, farberware, flatware, footware, footwear, giftware, glassware, groupware, hardware, houseware, kitchenware, knitwear, knowledgeware, munsingwear, neckwear, netware, noteware, nowhere, outerwear, shareware, silverware, software, somewhere, sportswear, stoneware, swimwear, tableware, tupperware, underwear, vaporware, wickware
Sleepwear sounds like:
scalfaro, scalper, schlafer, schleifer, schlieper, selover, silber, silvar, silveira, silver, silvera, silveri, silveria, silverio, silverware, silvery, slavery, sleeper, slifer, slipper, slippery, sliver, slobber, sloper, sloppier, slover, solver, sulfur, sulphur