Sommerfeldt rhymes with:
affeldt, bielefeldt, coffelt, ihlenfeldt, misfeldt, schoenfeldt, seefeldt, vonfeldt, zufelt, affeldt, appelt, bartelt, bielefeldt, blauvelt, borchelt, borgelt, coffelt, frommelt, hauschildt, ihlenfeldt, liebelt, misfeldt, oppelt, reichelt, schoenfeldt, seefeldt, vanderbilt, vonfeldt, weigelt, westervelt, zufelt
Sommerfeldt sounds like:
sommerfeld, sommerfield, summerfield