Franson rhymes with:
fransen, franssen, branson, fransen, franssen, ranson, ransone, ansohn, anson, branson, canson, danson, fransen, franssen, gansen, ganson, hansen, hanson, hanssen, hansson, jansen, janson, janssen, jansson, johannsen, johansen, johanson, manson, ranson, ransone, sanson, sansone
Franson sounds like:
framingham, franceschini, francesconi, franchini, franchino, francine, franciscan, francom, francyne, franken, frankino, frankson, frankum, fransen, franssen, franzen, franzone, franzoni, freemason, frenchman, frenchmen, frumkin