# IED vs ion

> English confusable word pair

## The two words

### IED
*noun · IPA /ˌaɪ iː ˈdiː/ · frequency rank #32,440*
Initialism of Intelligent Electronic Device, a sensor, actuator, or PLC used as part of a SCADA system.

### ion
*noun · IPA /ˈaɪən/ · frequency rank #5,604*
An atom or group of atoms bearing an electrical charge, such as the sodium and chlorine atoms in a salt solution.

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