9 strokes
department, course, section
On'Yomi: カ
Kun'Yomi:
11 strokes
brain, memory
On'Yomi: ノウ, ドウ
Kun'Yomi: のうずる
8 strokes
study, learning, science
On'Yomi: ガク
Kun'Yomi: まな.ぶ