prod vs device

prod and device both are nouns.

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

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

prod (noun)	device (noun)
a pointed instrument that is used to prod into a state of motion	any clever maneuver
a verbalization that encourages you to attempt something	an instrumentality invented for a particular purpose
	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