buccinator muscle vs cheek muscle

buccinator muscle and cheek muscle both are nouns.

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

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

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

Other synonyms of buccinator muscle include musculus buccinator.

buccinator muscle (noun)	cheek muscle (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