Japanese-language dictionary;  dictionary of a national language
 modern Japanese (esp. as a school subject)
 one's native language;  one's mother tongue
 Japanese-language dictionary;  dictionary of a national language
 Japanese philology;  Japanese linguistics
 Japanese language (as a school subject in Japan)
 Japanese Language Council
 kana orthography (esp. historical) of native Japanese words
 kana orthography (esp. historical) of native Japanese words