depressor vs depress

depressor is a noun but depress is not a noun.

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

depressor (noun)	depress (noun)
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

depressor (verb)	depress (verb)
	lessen the activity or force of
	press down
	cause to drop or sink
	lower someone's spirits; make downhearted
	lower (prices or markets)