Catchword and Tip off

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.

Tip off and catchword are semantically related In some cases you can replace term "Tip off" with "Catchword", this nouns are similar.

Tip off verb - Give insider information or advise to.

Catchword and tip off are semantically related in signal to act topic. Sometimes you can use "Catchword" instead a noun "Tip off".