竟に[tsuini] finally
必竟[hikkyou] after all
竟わる[owaru] to finish

究竟[kukkyou] after all
究竟[kukyou] culmination
畢竟するに[hikkyousuruni] after all

御終い[oshimai] the end
テキスト終結[tekisutoshuuketsu] end of text
為し終える[nashioeru] to accomplish
為し終わる[nashiowaru] to finish
異常終了[ijoushuuryou] abnormal termination (e.g. of a program)

一部始終[ichibushijuu] full particulars
引用終わり[inyouowari] end of quote
最終[saishuu] last
最終回[saishuukai] last time
最終段階[saishuudankai] final stage

完遂[kansui] to accomplish
やり遂げる[yaritogeru] to accomplish
殺人未遂[satsujinmisui] attempted murder
自殺未遂[jisatsumisui] attempted suicide
遂げる[togeru] to accomplish

遂に[tsuini] finally
遂行[suikou] accomplishment
為し遂げる[nashitogeru] to accomplish
未遂[misui] attempt (e.g. at crime)
未遂罪[misuizai] attempted crime