# coos vs CSS

> English confusable word pair

## The two words

### coos
*verb · IPA /kuːz/ · frequency rank #39,755*
third-person singular simple present indicative of coo

### 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.

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