# CSS vs CTO

> English confusable word pair

## The two words

### CSS
*noun · IPA /siː ɛs ˈɛs/ · frequency rank #16,676*
Initialism of change segment status, a GDS code used on older types of airline keyboards.

### CTO
*noun · frequency rank #33,598*
Initialism of chief technology officer or chief technical officer.

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