matchlock vs musket

matchlock and musket both are nouns.

Word	Noun	Adjective	Verb	Adverb
matchlock	Yes	No	No	No
musket	Yes	No	No	No

As nouns, musket is a hypernym of matchlock; that is, musket is a word with a broader meaning than matchlock:

matchlock: an early style of musket; a slow-burning wick would be lowered into a hole in the breech to ignite the charge
musket: a muzzle-loading shoulder gun with a long barrel; formerly used by infantrymen

matchlock (noun)	musket (noun)
an early style of musket; a slow-burning wick would be lowered into a hole in the breech to ignite the charge	a muzzle-loading shoulder gun with a long barrel; formerly used by infantrymen