conductor vs device

conductor and device both are nouns.

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

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

conductor (noun)	device (noun)
a device designed to transmit electricity, heat, etc.	any clever maneuver
the person who leads a musical group	an instrumentality invented for a particular purpose
the person who collects fares on a public conveyance	an emblematic design (especially in heraldry)
a substance that readily conducts e.g. electricity and heat	any ornamental pattern or design (as in embroidery)
	something in an artistic work designed to achieve a particular effect