blunderbuss vs musket

blunderbuss and musket both are nouns.

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

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

blunderbuss: a short musket of wide bore with a flared muzzle
musket: a muzzle-loading shoulder gun with a long barrel; formerly used by infantrymen

blunderbuss (noun)	musket (noun)
a short musket of wide bore with a flared muzzle	a muzzle-loading shoulder gun with a long barrel; formerly used by infantrymen