# mailing vs mainline

> English confusable word pair

## The two words

### mailing
*noun · IPA /ˈmeɪlɪŋ/ · frequency rank #13,012*
An act of sending mail.

### mainline
*adjective · IPA /ˈmeɪnˌlaɪn/ · frequency rank #26,875*
Normal, principal or standard.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/mailing-vs-mainline