JLPT N4 Kanji: 研 (ken)
Meaning: Sharpen; polish; study of
How to Read:
Onyomi: ケン (ken)
Kunyomi: と(ぐ) to(gu)
How to write 研:
Common Words Using 研:
研究 (けんきゅう) : study, research, investigation
研究員 (けんきゅういん) : researcher, lab worker
研究者 (けんきゅうしゃ) : researcher
研究室 (けんきゅうしつ) : laboratory, lab, study room, professor’s office, teacher’s office
研究所 (けんきゅうしょ) : research institute, research laboratory, research establishment, research facility
技研 (ぎけん) : technical research institute
研ぐ (とぐ) : to sharpen, to hone, to whet, to grind, to wash (rice)