many vs some

many and some both are adjectives.

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

many (adjective)	some (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	(quantifier) used with either mass nouns or plural count nouns to indicate an unspecified number or quantity
	remarkable
	relatively many but unspecified in number

many (adverb)	some (adverb)
	(of quantities) imprecise but fairly close to correct