pocketbook vs wallet

pocketbook and wallet both are nouns.

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

As nouns, pocketbook and wallet are synonyms defined as:

pocketbook and wallet: a pocket-size case for holding papers and paper money

Other synonyms of pocketbook include billfold, notecase.

pocketbook (noun)	wallet (noun)
a container used for carrying money and small personal items or accessories (especially by women)	a pocket-size case for holding papers and paper money
pocket-sized paperback book
a pocket-size case for holding papers and paper money
your personal financial means