Effertz rhymes with:
efforts, lefferts, comforts, efforts, frankfort's, frankfurt's, lefferts, siefert's, albert's, alberts, comforts, concerts, converts, deserts, eberts, eckardt's, eckert's, efforts, egberts, evarts, everts, expert's, experts, experts', filbert's, filberts, folkerts, frankfort's, frankfurt's, gaubert's, gewirtz, gilbert's, gizbert's, harberts, harcourt's, herbert's, hubert's, hulbert's, lambert's, lefferts, leubert, liverworts, mcroberts, megahertz, perverts, rewerts, robert's, roberts, roberts', schubert's, siefert's, stalwarts, stewart's, stuart's, stuarts, taggart's
Effertz sounds like:
eberts, efforts, euphrates, evaporates, evarts, everetts, everidge, everts