many vs many another

many and many another both are adjectives.

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

many (adjective)	many another (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	each of a large indefinite number