健
healthy, health, strength, persistence
On'yomi: ケン (ken)
Kun'yomi: すこ.やか (suko.yaka)
Stroke order
保
protect, guarantee, keep, preserve, sustain, support
On'yomi: ホ (ho)、 ホウ (hou)
Kun'yomi: たも.つ (tamo.tsu)
Stroke order
険
precipitous, inaccessible place, impregnable position, steep place, sharp eyes
On'yomi: ケン (ken)
Kun'yomi: けわ.しい (kewa.shii)
Stroke order