hill vs mound

hill and mound both are nouns.

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

As nouns, hill and mound are synonyms defined as:

hill and mound: (baseball) the slight elevation on which the pitcher stands

Other synonyms of hill include pitcher's mound.

As nouns, hill and mound are synonyms defined as:

hill and mound: structure consisting of an artificial heap or bank usually of earth or stones

As nouns, mound is a hyponym of hill; that is, mound is a word with a more specific, narrower meaning than hill:

Other hyponyms of hill include butte, foothill, hammock, hillock, hummock, knoll, tor.

hill (noun)	mound (noun)
(baseball) the slight elevation on which the pitcher stands	the position on a baseball team of the player who throws the ball for a batter to try to hit
structure consisting of an artificial heap or bank usually of earth or stones	structure consisting of an artificial heap or bank usually of earth or stones
a local and well-defined elevation of the land	(baseball) the slight elevation on which the pitcher stands
	a collection of objects laid on top of each other
	a small natural hill

hill (verb)	mound (verb)
form into a hill	form into a rounded elevation