spigot vs water faucet

spigot and water faucet both are nouns.

Word	Noun	Adjective	Verb	Adverb
spigot	Yes	No	No	No
water faucet	Yes	No	No	No

As nouns, water faucet is a hyponym of spigot; that is, water faucet is a word with a more specific, narrower meaning than spigot:

Other hyponyms of spigot include mixing faucet, cock, stopcock, turncock, hydrant, tap, water tap.

spigot (noun)	water faucet (noun)
a regulator for controlling the flow of a liquid from a reservoir	a faucet for drawing water from a pipe or cask
a plug for a bunghole in a cask