7 strokes
blow, breathe, puff, emit, smoke
On'Yomi: スイ
Kun'Yomi: ふ.く
10 strokes
breath, respiration, son, interest (on money)
On'Yomi: ソク
Kun'Yomi: いき
6 strokes
spirit, mind, air, atmosphere, mood
On'Yomi: キ, ケ