latching relay vs stay relay

latching relay and stay relay both are nouns.

Word	Noun	Adjective	Verb	Adverb
latching relay	Yes	No	No	No
stay relay	Yes	No	No	No

As nouns, latching relay and stay relay are synonyms defined as:

latching relay and stay relay: a relay that maintains either contact position indefinitely without power applied to the coil.

Other synonyms of latching relay include bistable relay, impulse relay, keep relay.

latching relay (noun)	stay relay (noun)
a relay that maintains either contact position indefinitely without power applied to the coil.	a relay that maintains either contact position indefinitely without power applied to the coil.