depressor muscle vs depressor

depressor muscle and depressor both are nouns.

Word	Noun	Adjective	Verb	Adverb
depressor muscle	Yes	No	No	No
depressor	Yes	No	No	No

As nouns, depressor muscle and depressor are synonyms defined as:

depressor muscle and depressor: any skeletal muscle that draws a body part down

depressor muscle (noun)	depressor (noun)
any skeletal muscle that draws a body part down	a device used by physician to press a part down or aside
	any skeletal muscle that draws a body part down
	any nerve whose activity tends to reduce the activity or tone of the body part it serves