# Clo vs CTO

> English confusable word pair

## The two words

### Clo
*noun · frequency rank #48,144*
Abbreviation of close (in street addresses).

### 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/clo-vs-cto