Sumler rhymes with:
dumler, kumler, rumler, daimler, demler, dumler, emler, hemler, himmler, imler, kemler, kumler, lemler, omlor, ramler, rumler, semler, semmler, stamler, stemler, stemmler
Sumler sounds like:
schneller, seegmiller, semler, semmler, similar, similiar, simler, smaller, sneller