Friedhelm rhymes with:
wilhelm, willhelm, wilhelm, willhelm, anselm, barthelme, bellm, colm, denholm, ekholm, elm, engholm, enholm, enholme, film, granholm, helm, helme, hjelm, holme, hulme, kelm, lindholm, lucasfilm, lundholm, microfilm, nyholm, overwhelm, psalm, realm, schwalm, soderholm, sovexportfilm, stenholm, stockholm, swisshelm, trenholm, ulm, underwhelm, wilhelm, willhelm, wolstenholme