Express-mail and Special delivery

Express-mail verb - Send by express mail or courier.

Special delivery and express-mail are semantically related. in rapid mail delivery system topic. In some cases you can use "Special delivery" instead a noun phrase "Express-mail".

Special delivery noun - Mail that is delivered by a special carrier (for an additional charge).

Express-mail and special delivery are semantically related. Sometimes you can replace phrase "Express-mail" with "Special delivery", this phrases are similar.