chunk vs collocate

chunk is a noun but collocate is not a noun.

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

As verbs, chunk and collocate are synonyms defined as:

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

Other synonyms of chunk include lump.

chunk (noun)	collocate (noun)
a compact mass
a substantial amount

chunk (verb)	collocate (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
put together indiscriminately	have a strong tendency to occur side by side