baptismal font vs baptistery

baptismal font and baptistery both are nouns.

Word	Noun	Adjective	Verb	Adverb
baptismal font	Yes	No	No	No
baptistery	Yes	No	No	No

As nouns, baptismal font and baptistery are synonyms defined as:

Other synonyms of baptismal font include baptistry, font.

baptismal font (noun)	baptistery (noun)
bowl for baptismal water	bowl for baptismal water