marriage license vs permit

marriage license and permit both are nouns.

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

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

Other hypernyms of marriage license include licence, license.

marriage license (noun)	permit (noun)
a license authorizing two people to marry	the act of giving a formal (usually written) authorization
	large game fish; found in waters of the West Indies
	a legal document giving official permission to do something

marriage license (verb)	permit (verb)
	consent to, give permission; permit
	allow the presence of or allow (an activity) without opposing or prohibiting
	make it possible through a specific action or lack of action for something to happen