depressor vs device

depressor and device both are nouns.

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

As nouns, device is a hypernym of depressor; that is, device is a word with a broader meaning than depressor:

depressor (noun)	device (noun)
a device used by physician to press a part down or aside	any clever maneuver
any skeletal muscle that draws a body part down	an instrumentality invented for a particular purpose
any nerve whose activity tends to reduce the activity or tone of the body part it serves	an emblematic design (especially in heraldry)
	any ornamental pattern or design (as in embroidery)
	something in an artistic work designed to achieve a particular effect