Chernoff rhymes with:
smirnoff, aronoff, belanoff, bogdanoff, chazanoff, evanoff, fornoff, granoff, ilyaronoff, ivanoff, janoff, krasnoff, manoff, marinoff, rachmaninoff, sarnoff, sheshunoff, smirnoff, sosnoff, woronoff
Chernoff sounds like:
carnauba, cramp, crimp, crombie, crumb, crumby, crump