Ertz rhymes with:
alerts, asserts, averts, bertz, blurts, burts, cherts, curt's, curts, desserts, dirt's, diverts, exerts, flirts, gertz, geurts, gurtz, hirtz, hurts, inserts, kertz, kirts, kurtz, mertz, mirtz, reasserts, reverts, schertz, schmertz, shirts, shurtz, skirts, spurts, squirts, sturtz, subverts, vertz, virts, werts, wertz, wirtz, worts, wurtz
Ertz sounds like:
earth's, earthquake, earthquake's, earthquakes, earths, erdos, erodes, erotic, erotica, erratic