Heppler rhymes with:
hepler, epler, eppler, hepler, kepler, keppler, peppler, shepler, weppler, coupler, doppler, epler, eppler, hepler, hippler, kappler, kempler, kepler, keppler, krempler, oppler, peppler, poplar, sampler, shepler, stempler, templar, wampler, weppler
Heppler sounds like:
hebeler, heffler, hefler, hepler, hibbler, hibler, hippler, hoefler, hoeveler, hoffler, hofler, hoobler, hoovler, hubler