waveguide vs conductor

waveguide and conductor both are nouns.

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

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

waveguide: a hollow metal conductor that provides a path to guide microwaves; used in radar
conductor: a device designed to transmit electricity, heat, etc.

waveguide (noun)	conductor (noun)
a hollow metal conductor that provides a path to guide microwaves; used in radar	a device designed to transmit electricity, heat, etc.
	the person who leads a musical group
	the person who collects fares on a public conveyance
	a substance that readily conducts e.g. electricity and heat