stun baton vs weapon system

stun baton and weapon system both are nouns.

Word	Noun	Adjective	Verb	Adverb
stun baton	Yes	No	No	No
weapon system	Yes	No	No	No

As nouns, weapon system is a hypernym of stun baton; that is, weapon system is a word with a broader meaning than stun baton:

stun baton: a weapon designed to disable a victim temporarily by delivering a nonlethal high-voltage electric shock
weapon system: any instrument or instrumentality used in fighting or hunting

Other hypernyms of stun baton include arm, weapon.

stun baton (noun)	weapon system (noun)
a weapon designed to disable a victim temporarily by delivering a nonlethal high-voltage electric shock	any instrument or instrumentality used in fighting or hunting