relay vs electrical circuit

relay and electrical circuit both are nouns.

Word	Noun	Adjective	Verb	Adverb
relay	Yes	No	Yes	No
electrical circuit	Yes	No	No	No

relay (noun)	electrical circuit (noun)
the act of passing something along from one person or group to another	an electrical device that provides a path for electrical current to flow
electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit
a race between teams; each member runs or swims part of the distance
a crew of workers who relieve another crew
a fresh team to relieve weary draft animals

relay (verb)	electrical circuit (verb)
pass along
control or operate by relay