conductor vs waveguide

conductor and waveguide both are nouns.

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

As nouns, waveguide is a hyponym of conductor; that is, waveguide is a word with a more specific, narrower meaning than conductor:

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

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