marriage license vs marriage licence

marriage license and marriage licence both are nouns.

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

As nouns, marriage license and marriage licence are synonyms defined as:

marriage license and marriage licence: a license authorizing two people to marry

Other synonyms of marriage license include wedding licence, wedding license.

marriage license (noun)	marriage licence (noun)
a license authorizing two people to marry	a license authorizing two people to marry