sacristy vs vestry

sacristy and vestry both are nouns.

Word	Noun	Adjective	Verb	Adverb
sacristy	Yes	No	No	No
vestry	Yes	No	No	No

As nouns, sacristy and vestry are synonyms defined as:

sacristy and vestry: a room in a church where sacred vessels and vestments are kept or meetings are held

sacristy (noun)	vestry (noun)
a room in a church where sacred vessels and vestments are kept or meetings are held	a room in a church where sacred vessels and vestments are kept or meetings are held
	in the Protestant Episcopal Church: a committee elected by the congregation to work with the churchwardens in managing the temporal affairs of the church