notary vs functionary

notary and functionary both are nouns.

Word	Noun	Adjective	Verb	Adverb
notary	Yes	No	No	No
functionary	Yes	No	No	No

As nouns, functionary is a hypernym of notary; that is, functionary is a word with a broader meaning than notary:

notary: someone legally empowered to witness signatures and certify a document's validity and to take depositions
functionary: a worker who holds or is invested with an office

Other hypernyms of notary include official.

notary (noun)	functionary (noun)
someone legally empowered to witness signatures and certify a document's validity and to take depositions	a worker who holds or is invested with an office