零

zero, spill, overflow, nothing, cipher

Kun

ぜろ · こぼす · こぼれるzero · kobosu · koboreru

On

レイrei

Kun is the Japanese reading, used when the kanji stands alone with kana after it. On comes from Chinese and is mostly used in compound words.

Radical

雨rain

Parts

雨rain卩seal一one