Trouser rhymes with:
browser, rouser, rouzer, browser, cowser, hauser, houser, howser, mouser, rouser, rouzer, schnauzer
Trouser sounds like:
tercero, theatergoer, thrasher, thresher, tracer, tracker, tracor, traeger, trager, trageser, trauger, treachery, treasure, treasurer, treasury, trecker, tregre, trickery, trickier, trigger, troeger, trucker