Which're rhymes with:
switcher, whitcher, witcher, britcher, critcher, fritcher, picher, pitcher, richer, spicher, switcher, whitcher, witcher
Which're sounds like:
wacker, wagar, wager, wascher, washer, wasser, wazir, weaker, wecker, weckesser, weger, weicker, weiker, weiser, weishaar, weisser, weizsaecker, wesker, wesray, whacker, whicker, whisker, whizzer, wicker, wickizer, wickware, wickwire, wicor, wieser, wigger, wiker, wiser, wisher, wisor, wisser, wyser