both vs some

both and some both are adjectives.

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

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

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