感歎符[kantanfu] exclamation point
感歎[kantan] admiration
驚歎[kyoutan] wonder
歎き[nageki] grief
歎く[nageku] to sigh

歎願[tangan] entreaty
歎声[tansei] sigh (of admiration or lamentation)
悲歎[hitan] grief
詠歎[eitan] exclamation
感歎詞[kantanshi] interjection

御願いします[onegaishimasu] please
お願い致します[onegaiitashimasu] please
哀願[aigan] supplication
依願[igan] in accordance with one's request
依願免官[iganmenkan] retirement at one's own request

願い[negai] desire
願い下げる[negaisageru] to withdraw a request
願い求める[negaimotomeru] to entreat
願い出[negaide] application
願い出る[negaideru] to apply for