gamecock vs cock

gamecock and cock both are nouns.

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

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

gamecock (noun)	cock (noun)
a cock bred and trained for fighting	adult male bird
someone who is a very fierce fighter	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

gamecock (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