Frantz rhymes with:
grant's, grants, grantz, granz, krantz, rantz, schrantz, ants, aunt's, aunts, aunts', bantz, chants, durant's, gantz, glantz, grant's, grants, grantz, granz, hantz, implants, jantz, kantz, krantz, lantz, mantz, mccants, nantes, nantz, pants, plant's, plants, plants', plantz, rantz, schantz, schrantz, shantz, supplants, transplants, tschantz, yantz, zaentz
Frantz sounds like:
fahrenheit's, farmhands, fermenta's, ferments, fernandes, fernandez, fernando's, forehands, forints, formants, formats, frantic, fremd's, fremitus, frenetic, frentz, friend's, friends, friends', fronds, front's, frontage, fronts, frontz