notarise vs certify

notarise and certify both are verbs.

Word	Noun	Adjective	Verb	Adverb
notarise	No	No	Yes	No
certify	No	No	Yes	No

As verbs, certify is a hypernym of notarise; that is, certify is a word with a broader meaning than notarise:

notarise: authenticate as a notary
certify: provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes

Other hypernyms of notarise include attest, demonstrate, evidence, manifest.

notarise (verb)	certify (verb)
authenticate as a notary	provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes
	declare legally insane
	guarantee payment on; of checks
	guarantee as meeting a certain standard
	authorize officially