violation vs date rape

violation and date rape both are nouns.

Word	Noun	Adjective	Verb	Adverb
violation	Yes	No	No	No
date rape	Yes	No	No	No

As nouns, date rape is a hyponym of violation; that is, date rape is a word with a more specific, narrower meaning than violation:

violation: the crime of forcing a person to submit to sexual intercourse against his or her will
date rape: rape in which the rapist is known to the victim (as when they are on a date together)

Other hyponyms of violation include carnal abuse, statutory rape.

violation (noun)	date rape (noun)
a crime less serious than a felony	rape in which the rapist is known to the victim (as when they are on a date together)
entry to another's property without right or permission
the crime of forcing a person to submit to sexual intercourse against his or her will
a disrespectful act
an act that disregards an agreement or a right