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

遺稿[ikou] posthumous manuscripts
歌稿[kakou] manuscript of poem
画稿[gakou] sketch
寄稿[kikou] contribution (e.g. to newspaper)
寄稿者[kikousha] contributor (of articles)

起稿[kikou] drafting
旧稿[kyuukou] old manuscript
原稿[genkou] manuscript
原稿稼ぎ[genkoukasegi] living on one's writing
原稿紙[genkoushi] manuscript paper