Vocabulary consisting only from characters you are able to read
母国語
bokokugo
mother tongue, native languagemix
私
watakuši
I (formal), myself, private affairsjlpt5
国字
kokudži
(1)country's official writing system, native script, (2)kana, (3)kanji that originated in Japan (as opposed to China) bunpou
行き来
ikiki
odchod a příchod, udržování kontaktůleda1