防
ward off, defend, protect, resist
On'yomi: ボウ (bou)
Kun'yomi: ふせ.ぐ (fuse.gu)
Stroke order
衛
defense, protection
On'yomi: エイ (ei)、 エ (e)
Stroke order
機
loom, mechanism, machine, airplane, opportunity, potency, efficacy, occasion
On'yomi: キ (ki)
Kun'yomi: はた (hata)
Stroke order