悔改める[kuiaratameru] to repent
改まる[aratamaru] to be renewed
改めて[aratamete] another time
改める[aratameru] to change
改悪[kaiaku] deterioration

改印[kaiin] changing seals
改革[kaikaku] reform
改革案[kaikakuan] reform proposal
改革過程[kaikakukatei] reform process
改憲[kaiken] constitutional change

と言う訳だ[toiuwakeda] this is why
意訳[iyaku] free translation
英訳[eiyaku] English translation
音訳[onyaku] transliteration
改訳[kaiyaku] retranslation

完訳[kanyaku] complete translation
監訳[kanyaku] supervisor of translation
機械翻訳[kikaihonyaku] machine translation
旧訳[kyuuyaku] old translation
共訳[kyouyaku] team-translation (e.g. carried out by more than one person)