懊 懊 ao4
to regret

strokes 15
radical
心
心
strokes after radical 13
懊悔 懊悔 ao4 hui3
to feel remorse; to repent; to regret

懊憹 懊憹 ao4 nao2
anxious; brooding

懊恼 懊惱 ao4 nao3
annoyed; vexed; upset

懊丧 懊喪 ao4 sang4
dejected; despondent; depressed