marriage license vs license

marriage license and license both are nouns.

Word	Noun	Adjective	Verb	Adverb
marriage license	Yes	No	No	No
license	Yes	No	Yes	No

As nouns, license is a hypernym of marriage license; that is, license is a word with a broader meaning than marriage license:

Other hypernyms of marriage license include licence, permit.

marriage license (noun)	license (noun)
a license authorizing two people to marry	the act of giving a formal (usually written) authorization
	a legal document giving official permission to do something
	freedom to deviate deliberately from normally applicable rules or practices (especially in behavior or speech)
	excessive freedom; lack of due restraint

marriage license (verb)	license (verb)
	authorize officially