spigot vs cock

spigot and cock both are nouns.

Word	Noun	Adjective	Verb	Adverb
spigot	Yes	No	No	No
cock	Yes	No	Yes	No

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

spigot: a regulator for controlling the flow of a liquid from a reservoir
cock: faucet consisting of a rotating device for regulating flow of a liquid

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

spigot (noun)	cock (noun)
a regulator for controlling the flow of a liquid from a reservoir	adult male bird
a plug for a bunghole in a cask	adult male chicken
	faucet consisting of a rotating device for regulating flow of a liquid
	the part of a gunlock that strikes the percussion cap when the trigger is pulled
	obscene terms for penis

spigot (verb)	cock (verb)
	set the trigger of a firearm back for firing
	to walk with a lofty proud gait, often in an attempt to impress others
	tilt or slant to one side