projectile vs weapon system

projectile and weapon system both are nouns.

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

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

projectile: a weapon that is forcibly thrown or projected at a targets but is not self-propelled
weapon system: any instrument or instrumentality used in fighting or hunting

Other hypernyms of projectile include arm, weapon.

projectile (noun)	weapon system (noun)
a weapon that is forcibly thrown or projected at a targets but is not self-propelled	any instrument or instrumentality used in fighting or hunting
any vehicle self-propelled by a rocket engine

projectile (adjective)	weapon system (adjective)
impelling or impelled forward