flintlock vs gunlock

flintlock and gunlock both are nouns.

Word	Noun	Adjective	Verb	Adverb
flintlock	Yes	No	No	No
gunlock	Yes	No	No	No

As nouns, gunlock is a hypernym of flintlock; that is, gunlock is a word with a broader meaning than flintlock:

flintlock: an obsolete gunlock that has flint embedded in the hammer; the flint makes a spark that ignites the charge
gunlock: the action that ignites the charge in a firearm

Other hypernyms of flintlock include firing mechanism.

flintlock (noun)	gunlock (noun)
an obsolete gunlock that has flint embedded in the hammer; the flint makes a spark that ignites the charge	the action that ignites the charge in a firearm
a muzzle loader that had a flintlock type of gunlock