Katsumi rhymes with:
utsumi, hausummi, utsumi, berthiaume, fumi, gloomy, gumi, hausummi, humi, izumi, kadumi, leumi, moomey, nummi, roomy, sukhumi, toomey, torumi, tschumi, tsurumi, utsumi
Katsumi sounds like:
katzen, katzin, katzman, kautzman, ketcham, ketchem, ketchen, ketchikan, ketchum, kietzman, kitajima, kitchen, kitchin, kitson, kitzman, kutchna