虚心坦懐[kyoshintankai] with an open and calm mind
平坦[heitan] even
坦々[tantan] level

坦懐[tankai] level emotion
坦坦麺[tantanmen] Szechuan dish of noodles covered with a sauce of sesame paste and chili oil

雅懐[gakai] aesthetic sentiment
懐かしい[natsukashii] dear
懐かしむ[natsukashimu] to yearn for (someone, something)
懐く[natsuku] to become emotionally attached
懐ける[natsukeru] to win over

懐疑[kaigi] doubt
懐旧[kaikyuu] recalling the old days
懐古[kaiko] recalling the old days
懐柔[kaijuu] winning over