slasher vs weapon system

slasher and weapon system both are nouns.

Word	Noun	Adjective	Verb	Adverb
slasher	Yes	No	No	No
weapon system	Yes	No	No	No

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

slasher: a weapon (a sword or dagger) used for slashing
weapon system: any instrument or instrumentality used in fighting or hunting

Other hypernyms of slasher include arm, weapon.

slasher (noun)	weapon system (noun)
a weapon (a sword or dagger) used for slashing	any instrument or instrumentality used in fighting or hunting
someone who slashes another person