neglect vs delinquency

neglect and delinquency both are nouns.

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

As nouns, delinquency is a hyponym of neglect; that is, delinquency is a word with a more specific, narrower meaning than neglect:

Other hyponyms of neglect include dereliction, willful neglect, laxity, laxness, remissness, slackness.

neglect (noun)	delinquency (noun)
failure to act with the prudence that a reasonable person would exercise under the same circumstances	an antisocial misdeed in violation of the law by a minor
willful lack of care and attention	a tendency to be negligent and uncaring
the trait of neglecting responsibilities and lacking concern	nonpayment of a debt when due
lack of attention and due care
the state of something that has been unused and neglected

neglect (verb)	delinquency (verb)
leave undone or leave out
give little or no attention to
fail to attend to
fail to do something; leave something undone