Guadagno rhymes with:
calcagno, carfagno, castagno, melaragno, calcagno, carfagno, castagno, cotugno, falcigno, ferrigno, imbrogno, magno, melaragno, modugno, rescigno
Guadagno sounds like:
gadson, gatson, gietzen, godkin, goedken, goetzman, goodgame, goodison, goodkin, goodson, gottesman, gudgeon, gutzman