usher vs functionary

usher and functionary both are nouns.

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

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

usher: an official stationed at the entrance of a courtroom or legislative chamber
functionary: a worker who holds or is invested with an office

Other hypernyms of usher include official.

usher (noun)	functionary (noun)
someone employed to conduct others	a worker who holds or is invested with an office
an official stationed at the entrance of a courtroom or legislative chamber

usher (verb)	functionary (verb)
take (someone) to their seats, as in theaters or auditoriums