stockpile vs mound

stockpile and mound both are nouns.

Word	Noun	Adjective	Verb	Adverb
stockpile	Yes	No	Yes	No
mound	Yes	No	Yes	No

As nouns, mound is a hypernym of stockpile; that is, mound is a word with a broader meaning than stockpile:

Other hypernyms of stockpile include agglomerate, cumulation, cumulus, heap, pile.

stockpile (noun)	mound (noun)
a storage pile accumulated for future use	the position on a baseball team of the player who throws the ball for a batter to try to hit
something kept back or saved for future use or a special purpose	structure consisting of an artificial heap or bank usually of earth or stones
	(baseball) the slight elevation on which the pitcher stands
	a collection of objects laid on top of each other
	a small natural hill

stockpile (verb)	mound (verb)
have on hand	form into a rounded elevation