throw stick vs projectile

throw stick and projectile both are nouns.

Word	Noun	Adjective	Verb	Adverb
throw stick	Yes	No	No	No
projectile	Yes	Yes	No	No

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

throw stick: a curved piece of wood; when properly thrown will return to thrower
projectile: a weapon that is forcibly thrown or projected at a targets but is not self-propelled

Other hypernyms of throw stick include missile.

throw stick (noun)	projectile (noun)
a curved piece of wood; when properly thrown will return to thrower	a weapon that is forcibly thrown or projected at a targets but is not self-propelled
	any vehicle self-propelled by a rocket engine

throw stick (adjective)	projectile (adjective)
	impelling or impelled forward