Earl's rhymes with:
berle's, berles, berles', berls, curls, earles, earls, girl's, girls, girls', pearls, perls, searle's, searles, searls, sirles, swirls, twirls, whorls
Earl's sounds like:
earles, earless, earls, ehrlich, ehrlich's, erlach, erlich, erlick, erol's, errol's