Word

lesson; section (in an organization); division; department; counter for lessons and chapters (of a book)
Word

課程

かてい
course; curriculum
Word

課長

かちょう
section manager; section chief
Word

課題

かだい
subject; theme; issue; matter; homework; assignment; task; challenge; problem; question
Word

放課後

ほうかご
after school
Word

課す

かす
to levy; to charge; to assess; to impose; to assign
Word

課税

かぜい
taxation
Word

課金

かきん
charges; billing; paying for items in online games
Word

課する

かする
to levy; to charge; to assess; to impose; to assign
Word

課外

かがい
extracurricular