Mailing and Second class

Mailing noun - Mail sent by a sender at one time.

Second class and mailing are semantically related. In some cases you can use "Second class" instead a noun "Mailing".

Nearby Words: mail, mailed, mailer, mailbox

Second class noun - Not the highest quality in a classification.

Mailing and second class are semantically related. Sometimes you can use "Mailing" instead a noun phrase "Second class".