# FCO vs FEI

> English confusable word pair

## The two words

### FCO
*name · frequency rank #49,916*
Initialism of Foreign and Commonwealth Office.

### FEI
*name · frequency rank #22,967*
Initialism of Federal Executive Institute.

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