heap vs agglomerate

heap and agglomerate both are nouns.

Word	Noun	Adjective	Verb	Adverb
heap	Yes	No	Yes	No
agglomerate	Yes	Yes	Yes	No

As nouns, heap and agglomerate are synonyms defined as:

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

heap (noun)	agglomerate (noun)
a car that is old and unreliable	a collection of objects laid on top of each other
a collection of objects laid on top of each other	volcanic rock consisting of large fragments fused together
(often followed by `of') a large number or amount or extent

heap (adjective)	agglomerate (adjective)
	clustered together but not coherent