authorise vs license

authorise is not a noun while license is a noun.

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

As verbs, license is a hyponym of authorise; that is, license is a word with a more specific, narrower meaning than authorise:

authorise (noun)	license (noun)
	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

authorise (verb)	license (verb)
grant authorization or clearance for	authorize officially
give or delegate power or authority to