こくごけんきゅうじょ 国語研究所 LinksSentence search for 国語研究所Sentence search for こくごけんきゅうじょKanji details for 国, 語, 研, 究 and 所Edit in JMdict Noun1. National Institute for Japanese Language and Linguistics; NINJAL; KokkenOrganization namePlace2. Kokugokenkyuujo Discussions Log in to talk about this word.