# UCI

> English word · Proper noun · frequency rank #31,810

## Definitions
1. Initialism of Union Cycliste Internationale.
2. Initialism of Unique Client Identifier.
3. Initialism of Universal Chess Interface.
4. Initialism of University of California, Irvine.

## Easily confused with
- **up** (https://plainspell.com/en/vs/uci-vs-up)
- **us** (https://plainspell.com/en/vs/uci-vs-us)
- **UK** (https://plainspell.com/en/vs/uci-vs-uk)
- **uh** (https://plainspell.com/en/vs/uci-vs-uh)
- **um** (https://plainspell.com/en/vs/uci-vs-um)
- **ur** (https://plainspell.com/en/vs/uci-vs-ur)
- **UT** (https://plainspell.com/en/vs/uci-vs-ut)
- **UV** (https://plainspell.com/en/vs/uci-vs-uv)
- **UI** (https://plainspell.com/en/vs/uci-vs-ui)
- **UW** (https://plainspell.com/en/vs/uci-vs-uw)
- **UD** (https://plainspell.com/en/vs/uci-vs-ud)
- **ug** (https://plainspell.com/en/vs/uci-vs-ug)
- **UO** (https://plainspell.com/en/vs/uci-vs-uo)
- **UU** (https://plainspell.com/en/vs/uci-vs-uu)
- **use** (https://plainspell.com/en/vs/uci-vs-use)
- **USA** (https://plainspell.com/en/vs/uci-vs-usa)
- **UPS** (https://plainspell.com/en/vs/uci-vs-ups)
- **ugh** (https://plainspell.com/en/vs/uci-vs-ugh)
- **USB** (https://plainspell.com/en/vs/uci-vs-usb)
- **USD** (https://plainspell.com/en/vs/uci-vs-usd)

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