Blurb and Junk mail

Blurb noun - A promotional statement (as found on the dust jackets of books).

Junk mail and blurb are semantically related. In some cases you can use "Junk mail" instead a noun "Blurb".

Junk mail noun - Third-class mail consisting of advertising and often addressed to `resident' or `occupant'.

Blurb and junk mail are semantically related. Sometimes you can use "Blurb" instead a noun phrase "Junk mail".