課題【かだい】
subject, theme, issue, matter, homework, assignment, task, challenge, problem, question
課長【かちょう】
section manager, section chief
放課後【ほうかご】
after school (at the end of the day)
課税【かぜい】
taxation
課程【かてい】
course, curriculum
日課【にっか】
daily routine, daily work, daily lesson
課徴金【かちょうきん】
charges (i.e. fees)
課する【かする】
to impose (a tax, fine, etc.), to levy, to assign (a task, duty, etc.), to give, to set
修士課程【しゅうしかてい】
master's course
課員【かいん】
section staff
賦課【ふか】
levy, imposition
課す【かす】
to impose (a tax, fine, etc.), to levy, to assign (a task, duty, etc.), to give, to set
課外【かがい】
extracurricular
学課【がっか】
lesson, school work