case shot vs ammunition

case shot and ammunition both are nouns.

Word	Noun	Adjective	Verb	Adverb
case shot	Yes	No	No	No
ammunition	Yes	No	No	No

As nouns, ammunition is a hypernym of case shot; that is, ammunition is a word with a broader meaning than case shot:

case shot: a metallic cylinder packed with shot and used as ammunition in a firearm
ammunition: projectiles to be fired from a gun

Other hypernyms of case shot include ammo.

case shot (noun)	ammunition (noun)
a metallic cylinder packed with shot and used as ammunition in a firearm	projectiles to be fired from a gun
	information that can be used to attack or defend a claim or argument or viewpoint
	any nuclear or chemical or biological material that can be used as a weapon of mass destruction