Carry-on and Pocketbook

Carry-on noun - A bag carried by hand and designed to hold a traveler's clothing and personal articles.

Pocketbook and carry-on are semantically related. In some cases you can use "Pocketbook" instead a noun phrase "Carry-on".

Pocketbook noun - A container for carrying money and small personal items.

Carry-on and pocketbook are semantically related. Sometimes you can use "Carry-on" instead a noun "Pocketbook".