Kawaragi JapaneseFrom 河 (
ka) meaning "river, stream", 原 (
wara) meaning "field, plain", and 木 (
gi) meaning "tree, wood".
Kegasawa JapaneseFrom 気 (
ke) meaning "feeling, spirit, mood", 賀 (
ga) meaning "celebrate, congratulate, greet", and 沢 (
sawa) meaning "swamp, marah".