Cases of word usage

1) the training of the mind and character to produce self-control, obedience etc (discipline)

2) to force obedience to (something), force (something) to be done (enforce)

3) being obedient; showing obedience (obedience)

4) (of commands) not to be disobeyed or questioned; (of a person, manner) insisting (too much) on obedience (peremptory)

5) owing obedience to something; having a tendency to suffer something; depend on something; a person who is a member of a nation; something (to be) talked or written about or studied (subject)