# Cairo vs CSIRO

> English confusable word pair

## The two words

### Cairo
*name · IPA /ˈkaɪ.ɹoʊ/ · frequency rank #9,021*
The capital city of Egypt.

### CSIRO
*name · frequency rank #42,077*
Initialism of Commonwealth Scientific and Industrial Research Organisation, a research institute in Australia.

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