Bielefeldt rhymes with:
affeldt, coffelt, ihlenfeldt, misfeldt, schoenfeldt, seefeldt, sommerfeldt, vonfeldt, zufelt, affeldt, appelt, bartelt, blauvelt, borchelt, borgelt, coffelt, frommelt, hauschildt, ihlenfeldt, liebelt, misfeldt, oppelt, reichelt, schoenfeldt, seefeldt, sommerfeldt, vanderbilt, vonfeldt, weigelt, westervelt, zufelt
Bielefeldt sounds like:
belfield, believability, bielefeld, billfold, blauvelt, blueblood, blueblooded, bluefield