licence vs sanction

licence and sanction both are nouns.

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

licence (noun)	sanction (noun)
a legal document giving official permission to do something	the act of final authorization
freedom to deviate deliberately from normally applicable rules or practices (especially in behavior or speech)	a mechanism of social control for enforcing a society's standards
excessive freedom; lack of due restraint	official permission or approval
	formal and explicit approval

licence (verb)	sanction (verb)
authorize officially	give sanction to
	give religious sanction to, such as through an oath
	give authority or permission to