Karshner rhymes with:
marschner, forschner, marschner, dashner, deschner, dishner, forschner, hershner, kashner, kerschner, kershner, kirschner, kirshner, kushner, kushnir, leischner, leuschner, marschner, taschner, teschner, wishner
Karshner sounds like:
kerchner, kerschner, kershner, kerzner, kirchgessner, kirchner, kirkner, kirschner, kirshner, krasner