sanction vs authorisation

sanction and authorisation both are nouns.

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

As nouns, authorisation is a hypernym of sanction; that is, authorisation is a word with a broader meaning than sanction:

Other hypernyms of sanction include authorization, empowerment.

As nouns, sanction and authorisation are synonyms defined as:

Other synonyms of sanction include authority, authorization.

sanction (noun)	authorisation (noun)
the act of final authorization	the act of conferring legality or sanction or formal warrant
a mechanism of social control for enforcing a society's standards	the power or right to give orders or make decisions
official permission or approval	official permission or approval
formal and explicit approval	a document giving an official instruction or command

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