whatever vs some

whatever and some both are adjectives.

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

whatever (adjective)	some (adjective)
one or some or every or all without specification; entity, elective existential pronoun; quantifier, elective existential	(quantifier) used with either mass nouns or plural count nouns to indicate an unspecified number or quantity
	remarkable
	relatively many but unspecified in number

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