# ACK vs at

> English confusable word pair

## The two words

### ACK
*verb · frequency rank #33,924*
To acknowledge a packet or a message received from a network.

### at
*preposition · IPA /æt/ · frequency rank #21*
In, near, or in the general vicinity of (a particular place).

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