Jinmeiyō kanji, used in names
JLPT level: N1
1837 of 2500 most used kanji in newspapers
Stroke count: 6
Meaning: square jewel, corner, angle, edge
Kunyomi:
Onyomi: ケイ ケ
Composition: 土
Radical: 土
Meaning: earth
圭角 （ケイカク） rough edges (of one's character, words, etc.), abrasiveness, harshness, sharpness, edges (of a gem)
圭璧 （ケイヘキ） ritual jades worn by feudal lords in ancient China
刀圭 （トウケイ） doctor
尖形 （センケイ） pointed, pointy, acuminate