Keltz rhymes with:
belt's, belts, beltz, celts, feltes, felts, feltz, geltz, melts, meltz, pelts, peltz, schmeltz, seltz, smeltz, speltz, steltz, weltz
Keltz sounds like:
khalid's, kilowatts, kilts, klatsky, klitz, klitzke, klotz, klutts, kluttz, klutz, kolodziej, kolodziejski, kolts, koltz