permission vs sanction

permission and sanction both are nouns.

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

As nouns, sanction is a hyponym of permission; that is, sanction is a word with a more specific, narrower meaning than permission:

permission (noun)	sanction (noun)
the act of giving a formal (usually written) authorization	the act of final authorization
approval to do something	a mechanism of social control for enforcing a society's standards
	official permission or approval
	formal and explicit approval

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