Osthoff rhymes with:
althoff, althoff, aschoff, berghof, berghoff, bischoff, bishoff, butenhoff, dayhoff, dehoff, egelhoff, fetterhoff, freehoff, kallhoff, kaufhof, kerkhoff, kirchhoff, kirchoff, ladehoff, langhoff, lehnhoff, mehlhoff, meyerhoff, niehoff, schulhof, verhoff
Osthoff sounds like:
octave, octavia, octavio, octopi, ostby