authorize vs licence

authorize is not a noun while licence is a noun.

Word	Noun	Adjective	Verb	Adverb
authorize	No	No	Yes	No
licence	Yes	No	Yes	No

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

authorize (noun)	licence (noun)
	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

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