manduction vs mastication

manduction and mastication both are nouns.

Word	Noun	Adjective	Verb	Adverb
manduction	Yes	No	No	No
mastication	Yes	No	No	No

As nouns, manduction and mastication are synonyms defined as:

manduction and mastication: biting and grinding food in your mouth so it becomes soft enough to swallow

Other synonyms of manduction include chew, chewing.

manduction (noun)	mastication (noun)
biting and grinding food in your mouth so it becomes soft enough to swallow	biting and grinding food in your mouth so it becomes soft enough to swallow
the act of participating in the celebration of the Eucharist