Catchword and Catchphrase

Catchword noun - A word printed at the top of the page of a dictionary or other reference book to indicate the first or last item on that page.

Catchphrase and catchword are semantically related in motto topic. In some cases you can use "Catchphrase" instead a noun "Catchword". popular alternative

Catchphrase noun - An attention-getting word or phrase used to publicize something (as a campaign or product).

Catchword and catchphrase are semantically related in saying topic. You can use "Catchword" instead a noun "Catchphrase".