Sommerfeld rhymes with:
lagerfeld, bergfeld, bielefeld, blumenfeld, creutzfeldt, dornfeld, ehrenfeld, herzfeld, hirschfeld, kornfeld, lagerfeld, landefeld, langenfeld, merfeld, reitzfeld, rubenfeld, seinfeld, sonnenfeld, sternfeld, ziegfeld
Sommerfeld sounds like:
sommerfeldt, sommerfield, summerfield