Crunching rhymes with:
bunching, lunching, munching, punching, branching, bunching, clinching, drenching, entrenching, flinching, inching, launching, lunching, lynching, munching, pinching, punching, quenching, ranching, retrenching, stanching, unflinching, wrenching
Crunching sounds like:
chromosomes, cornhusking, cranking, cringing