cockerel vs cock

cockerel and cock both are nouns.

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

As nouns, cock is a hypernym of cockerel; that is, cock is a word with a broader meaning than cockerel:

Other hypernyms of cockerel include rooster.

cockerel (noun)	cock (noun)
a young domestic cock; not older than one year	adult male bird
	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

cockerel (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