hydrant vs water faucet

hydrant and water faucet both are nouns.

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

As nouns, hydrant and water faucet are synonyms defined as:

hydrant and water faucet: a faucet for drawing water from a pipe or cask

Other synonyms of hydrant include tap, water tap.

hydrant (noun)	water faucet (noun)
a discharge pipe with a valve and spout at which water may be drawn from the mains of waterworks	a faucet for drawing water from a pipe or cask
a faucet for drawing water from a pipe or cask