depressor nerve vs depressor

depressor nerve and depressor both are nouns.

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

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

depressor nerve and depressor: any nerve whose activity tends to reduce the activity or tone of the body part it serves

depressor nerve (noun)	depressor (noun)
any nerve whose activity tends to reduce the activity or tone of the body part it serves	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