cumulus vs mound

cumulus and mound both are nouns.

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

As nouns, cumulus and mound are synonyms defined as:

Other synonyms of cumulus include agglomerate, cumulation, heap, pile.

cumulus (noun)	mound (noun)
a collection of objects laid on top of each other	the position on a baseball team of the player who throws the ball for a batter to try to hit
a globular cloud	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

cumulus (adjective)	mound (adjective)
of or related to cumulous clouds

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