permission vs license

permission and license both are nouns.

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

As nouns, permission and license are synonyms defined as:

permission and license: the act of giving a formal (usually written) authorization

Other synonyms of permission include permit.

permission (noun)	license (noun)
the act of giving a formal (usually written) authorization	the act of giving a formal (usually written) authorization
approval to do something	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

permission (verb)	license (verb)
	authorize officially