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

懐疑[kaigi] doubt
危疑[kigi] fear
疑い[utagai] doubt
疑い深い[utagaibukai] doubting
疑う[utagau] to doubt

疑り[utaguri] doubt
疑わしい[utagawashii] doubtful
疑雲[giun] cloud of suspicion
疑義[gigi] doubt