delinquency vs misbehaviour

delinquency and misbehaviour both are nouns.

Word	Noun	Adjective	Verb	Adverb
delinquency	Yes	No	No	No
misbehaviour	Yes	No	No	No

As nouns, misbehaviour is a hypernym of delinquency; that is, misbehaviour is a word with a broader meaning than delinquency:

Other hypernyms of delinquency include misbehavior, misdeed.

delinquency (noun)	misbehaviour (noun)
an antisocial misdeed in violation of the law by a minor	improper or wicked or immoral behavior
a tendency to be negligent and uncaring
nonpayment of a debt when due