演劇[engeki] drama
歌劇[kageki] opera
楽劇[gakugeki] musical play
活劇[katsugeki] action picture
勧善懲悪劇[kanzenchouakugeki] morality play

観劇[kangeki] theatre-going
喜歌劇[kikageki] comic opera
喜劇[kigeki] comedy
喜劇映画[kigekieiga] comic film
急劇[kyuugeki] sudden

懐旧[kaikyuu] recalling the old days
旧ソ連[kyuusoren] former Soviet Union
旧悪[kyuuaku] past misdeeds
旧衣[kyuui] worn-out clothes
旧詠[kyuuei] ancient poems

旧怨[kyuuen] old grudge
旧縁[kyuuen] old relationship
旧恩[kyuuon] old favors
旧仮名遣[kyuukanazukai] former (i.e. before the post-WWII reforms) kana usage in writing the readings of kanji