Jōyō kanji, Taught in junior high
JLPT level: N1
2141 of 2500 most used kanji in newspapers
Stroke count: 17
Meaning: menacing, dignity, majesty, threaten
Kunyomi: おど.す
Onyomi: カク
Composition: 口 赫
Radical: 口
Meaning: mouth, opening
赫々 （カクカク） brilliant, bright, glorious
嚇す （カクス） to threaten, to menace
威嚇 （イカク） threat, intimidation, menace
恐嚇 （キョウカク） intimidation, threat
脅す （おどす） to threaten, to menace, to frighten (into doing)