Stroke count: 12
Meaning: be in agony, worry
Kunyomi: もだ.える もだえ.る
Onyomi: モン
Composition: 門 心
Radical: 心
Meaning: heart
悶 (モン) agony, anguish
悶死 (モンシ) death in agony
憂悶 (ユウモン) anguish, mortification
苦悶 (クモン) anguish
悶える (もだえる) to writhe (in pain), to be in agony, to be anguished, to be agonized, to be troubled