collocate vs lump

collocate is not a noun while lump is a noun.

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

As verbs, collocate and lump are synonyms defined as:

collocate and lump: group or chunk together in a certain order or place side by side

Other synonyms of collocate include chunk.

collocate (noun)	lump (noun)
	a compact mass
	a large piece of something without definite shape
	an awkward stupid person
	an abnormal protuberance or localized enlargement

collocate (verb)	lump (verb)
group or chunk together in a certain order or place side by side	group or chunk together in a certain order or place side by side
have a strong tendency to occur side by side	put together indiscriminately