Vocabulary consisting only from characters you are able to read
赤字
akadži
(1)deficit, (being in or going into) the red, (2)red text, red letters, (3)corrections (by a teacher or proofreader) written in red mix
国字
kokudži
(1)country's official writing system, native script, (2)kana, (3)kanji that originated in Japan (as opposed to China) bunpou