13 strokes
Kentei exam level 1

lettuce

On'yomi

Main Radical

(KanXi)

Character Breakdown

lettuce
 (Kentei 1)
grass, grass radical (no. 140)
crooked mouth, evil, dishonest
カイ ケ クウ (Kentei 1)
cut flesh from bones(剮) variant
カ ケ わ.ける
mouth
くち コウ ク (1st, N4)
upside-down box radical (no. 13)
キョウ ケイ (Kentei 1)

References

Unicode hex code 8435
JIS X 0208 1-72-66
Haig, J. New Nelson Japanese-English Character Dictionary 5108
Morohashi Daikanwajiten 31351X
Tuttle Dictionary Descriptor Code 3k9.24
Four corner code 4422.7