pocketbook vs etui

pocketbook and etui both are nouns.

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

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

pocketbook: a container used for carrying money and small personal items or accessories (especially by women)
etui: small ornamental ladies' bag for small articles

Other hyponyms of pocketbook include clutch, clutch bag, evening bag, reticule, shoulder bag.

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