vestry vs sacristy

vestry and sacristy both are nouns.

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

As nouns, vestry and sacristy are synonyms defined as:

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

vestry (noun)	sacristy (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