numbers vs numbers pool

numbers and numbers pool both are nouns.

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

As nouns, numbers and numbers pool are synonyms defined as:

Other synonyms of numbers include numbers game, numbers racket.

numbers (noun)	numbers pool (noun)
an illegal daily lottery	an illegal daily lottery