Thorton's rhymes with:
morton's, norton's, shortens, wharton's, barton's, cartons, kindergartens, maertens, martens, martin's, mehrtens, morton's, norton's, shortens, weirton's, wharton's
Thorton's sounds like:
tardiness, tartness, teradyne's, thirteen's, threading, threatening, threatens, thwarting, tiredness, trading, trading's, tradings, traditions, treading, treating, triton's, trotting