baptistery vs baptismal font

baptistery and baptismal font both are nouns.

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

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

Other synonyms of baptistery include baptistry, font.

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