Stiffler rhymes with:
shiffler, sniffler, effler, heffler, hefler, hofler, laughler, leffler, lefler, leflore, loeffler, muffler, schaeffler, schaffler, sheffler, shiffler, shreffler, sniffler, steffler, toffler
Stiffler sounds like:
stabler, staebler, stapler, steffler