勢

forces, energy, military strength

Kun

いきおい · はずみikioi · hazumi

On

セイ · ゼイsei · zeie.g.大勢おおぜいa great number of people

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

力power

Parts

力power土earth丶drop儿legs九