dereliction vs delinquency

dereliction and delinquency both are nouns.

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

As nouns, dereliction and delinquency are synonyms defined as:

Other synonyms of dereliction include willful neglect.

dereliction (noun)	delinquency (noun)
willful negligence	an antisocial misdeed in violation of the law by a minor
a tendency to be negligent and uncaring	a tendency to be negligent and uncaring
	nonpayment of a debt when due