Cases of word usage

1) a person able to maintain discipline (disciplinarian)

2) of, for, discipline (disciplinary)

3) having, showing, discipline (disciplined)

4) the absence of discipline (indiscipline)

5) a person, ship or small, fast plane, sent out to get information about the enemy; a member of an organization training boys in character, developing self-reliance, discipline and social awareness (scout)

6) to make (something) useless or unsatisfactory; to harm (a child's personality) by too much kindness or lack of discipline (spoil)