The kanji 悔: readings, parts and words

性セイ nature / sex / gender 情なさけ feeling / emotion 慣なれる accustom / get used to 快こころよい pleasant / cheerful 怖こわい dreadful; be frightened 悩なやむ trouble, worry 憶オク recollection; think 慢マン ridicule, laziness, boasting 忙いそがしい busy; occupied 慎つつしむ careful, discreet, humble 惨みじめ wretched; disaster 恒つね constancy; always

海うみ sea/ocean/maritime 母はは mother 毎マイ every 毒ドク poison 梅うめ plum 繁しげる luxuriant; thick 敏さとい cleverness; agile