depressor vs depressor muscle

depressor and depressor muscle both are nouns.

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

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

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

depressor (noun)	depressor muscle (noun)
a device used by physician to press a part down or aside	any skeletal muscle that draws a body part down
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