Limerick rhymes with:
emerich, emerick, emmerich, helmerich, hemmerich, alaric, berberich, broderick, butterick, choleric, cyanuric, dederick, diederich, dieterich, emerich, emerick, emmerich, friederich, friederike, garverick, giegerich, gingerich, gregorich, helmerich, hemmerich, honderich, kanarek, kasparek, kasperek, kauzlarich, klapperich, leverich, maverick, millerick, minarik, pekarek, phosphoric, puskarich, rhetoric, safarik
Limerick sounds like:
lamar's, lamarca, lamarche, lamers, lammers, lamoreaux, lamoreux, lamoureaux, lamoureux, lanners, lawnmowers, leaners, lemurs, lenarz, lillehamer's, lillehammer's, limerick's, limericks, linares, linear's, liner's, liners, liners', linhares, loners, lonrho's, luminaries