means vs wherewithal

means and wherewithal both are nouns.

Word	Noun	Adjective	Verb	Adverb
means	Yes	No	No	No
wherewithal	Yes	No	No	No

As nouns, wherewithal is a hyponym of means; that is, wherewithal is a word with a more specific, narrower meaning than means:

Other hyponyms of means include pocketbook.

means (noun)	wherewithal (noun)
to have the ability to produce a particular effect or achieve an end	the necessary means (especially financial means)
an artifact (that is instrumental in accomplishing some end) for accomplishing some end
considerable capital (wealth or income)