cheek muscle vs musculus buccinator

cheek muscle and musculus buccinator both are nouns.

Word	Noun	Adjective	Verb	Adverb
cheek muscle	Yes	No	No	No
musculus buccinator	Yes	No	No	No

As nouns, cheek muscle and musculus buccinator are synonyms defined as:

cheek muscle and musculus buccinator: a muscle that flattens the cheek and retracts the angle of the mouth

Other synonyms of cheek muscle include buccinator muscle.

cheek muscle (noun)	musculus buccinator (noun)
a muscle that flattens the cheek and retracts the angle of the mouth	a muscle that flattens the cheek and retracts the angle of the mouth