8 strokes
surname
On'Yomi: セイ, ショウ
Kun'Yomi:
10 strokes
elementary, principle, naked, uncovered
On'Yomi: ソ, ス
Kun'Yomi: もと
sex, gender, nature
Kun'Yomi: さが
4 strokes
family name, surname, clan
On'Yomi: シ
Kun'Yomi: うじ, -うじ