means vs pocketbook

means and pocketbook both are nouns.

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

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

Other hyponyms of means include wherewithal.

means (noun)	pocketbook (noun)
to have the ability to produce a particular effect or achieve an end	a container used for carrying money and small personal items or accessories (especially by women)
an artifact (that is instrumental in accomplishing some end) for accomplishing some end	pocket-sized paperback book
considerable capital (wealth or income)	a pocket-size case for holding papers and paper money
	your personal financial means