many vs few

many is not a noun while few is a noun.

Word	Noun	Adjective	Verb	Adverb
many	No	Yes	No	No
few	Yes	Yes	No	No

many (noun)	few (noun)
	a small elite group

many (adjective)	few (adjective)
a quantifier that can be used with count nouns and is often preceded by `as' or `too' or `so' or `that'; amounting to a large but indefinite number; quantifier, plural pronoun; quantifier, plural	a quantifier that can be used with count nouns and is often preceded by `a'; a small but indefinite number