Retzer rhymes with:
kretzer, pretzer, betzer, hetzer, kretzer, netzer, pretzer, schnetzer, setzer, smetzer, stetzer
Retzer sounds like:
redeker, redicker, rediger, rediker, ritger, ritzer, rodger, rodocker, roediger, roettger, rothacker, rotisserie, rudicker, rudiger, ruediger, rutger