研 — polish, study of, sharpen
けん
研
polish
けん
U+7814
Unicode hex codepoint — a unique identifier for this character in the Unicode standard.
Freq #336
Frequency rank among the ~2,500 most common kanji in Japanese newspapers. Lower number = more common.
Heisig #729
Index in James Heisig's "Remembering the Kanji" — a popular textbook that teaches kanji through mnemonics and stories.
Remember 研
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Meanings
- polish
- study of
- sharpen
Readings
- On'yomi
- けん ken
- Kun'yomi
- と to
word
けん ken On'yomi On'yomi (音読み) — the Sino-Japanese reading, derived from Chinese pronunciation. Most commonly used in compound words (jukugo).
と to Kun'yomi Kun'yomi (訓読み) — the native Japanese reading of this kanji. Used when the kanji appears alone or with okurigana (trailing hiragana).
Words by frequency and grade
14 wordsEach dot is a word containing 研: further left is more common, higher up needs a later school grade (the grade of its hardest kanji). Click a dot to open the word.
S = secondary school · 9 words have no frequency rank; they sit in the Unranked column.