license vs permission

license and permission both are nouns.

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

As nouns, license and permission are synonyms defined as:

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

Other synonyms of license include permit.

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

license (verb)	permission (verb)
authorize officially