aggroup vs pool

aggroup is not a noun while pool is a noun.

Word	Noun	Adjective	Verb	Adverb
aggroup	No	No	Yes	No
pool	Yes	No	Yes	No

As verbs, pool is a hyponym of aggroup; that is, pool is a word with a more specific, narrower meaning than aggroup:

Other hyponyms of aggroup include team, team up, embed, gang, gang up, brigade.

aggroup (noun)	pool (noun)
	any of various games played on a pool table having 6 pockets
	an excavation that is (usually) filled with water
	an association of companies for some definite purpose
	an organization of people or resources that can be shared
	something resembling a pool of liquid
	a small lake
	a small body of standing water (rainwater) or other liquid
	any communal combination of funds
	the combined stakes of the betters

aggroup (verb)	pool (verb)
form a group or group together	join or form a pool of people
	combine into a common fund