purificator vs purificatorium

purificator and purificatorium both are nouns.

Word	Noun	Adjective	Verb	Adverb
purificator	Yes	No	No	No
purificatorium	Yes	No	No	No

As nouns, purificator and purificatorium are synonyms defined as:

purificator and purificatorium: a white linen cloth which is used to wipe the chalice after each communicant partakes.

Other synonyms of purificator include emunctorium.

purificator (noun)	purificatorium (noun)
a white linen cloth which is used to wipe the chalice after each communicant partakes.	a white linen cloth which is used to wipe the chalice after each communicant partakes.