agglomeration vs lump

agglomeration and lump both are nouns.

Word	Noun	Adjective	Verb	Adverb
agglomeration	Yes	No	No	No
lump	Yes	No	Yes	No

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

Other hyponyms of agglomeration include bunch, clump, cluster, clustering, ball, chunk, clod, clump, glob.

agglomeration (noun)	lump (noun)
the act of collecting in a mass; the act of agglomerating	a compact mass
a jumbled collection or mass	a large piece of something without definite shape
	an awkward stupid person
	an abnormal protuberance or localized enlargement

agglomeration (verb)	lump (verb)
	group or chunk together in a certain order or place side by side
	put together indiscriminately