Trawler rhymes with:
aller, allor, baller, ballor, caller, faller, galler, haller, hauler, installer, lawler, lawlor, maller, mauler, montrealer, saller, schaller, schwaller, shawler, smaller, staller, taller, wallar, waller
Trawler sounds like:
thriller, trailer, traylor, treloar, trierweiler, twirler