sanction vs licence

sanction and licence both are nouns.

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

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

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