# CRO

> English word · Noun · frequency rank #33,596

## Definitions
1. Initialism of Cathode-Ray Oscilloscope.
2. Initialism of Contract research organization.
3. Initialism of COMSEC responsible officer.
4. Initialism of conversion rate optimization.
5. Initialism of chief risk officer.
6. Initialism of chief research officer.
7. Initialism of chief revenue officer.
8. Initialism of chief reputation officer.
9. Initialism of chief restructuring officer.

## Easily confused with
- **CT** (https://plainspell.com/en/vs/cro-vs-ct)
- **cs** (https://plainspell.com/en/vs/cro-vs-cs)
- **CV** (https://plainspell.com/en/vs/cro-vs-cv)
- **CU** (https://plainspell.com/en/vs/cro-vs-cu)
- **CW** (https://plainspell.com/en/vs/cro-vs-cw)
- **CX** (https://plainspell.com/en/vs/cro-vs-cx)
- **cz** (https://plainspell.com/en/vs/cro-vs-cz)
- **cut** (https://plainspell.com/en/vs/cro-vs-cut)
- **cup** (https://plainspell.com/en/vs/cro-vs-cup)
- **cry** (https://plainspell.com/en/vs/cro-vs-cry)
- **cum** (https://plainspell.com/en/vs/cro-vs-cum)
- **cuz** (https://plainspell.com/en/vs/cro-vs-cuz)
- **cue** (https://plainspell.com/en/vs/cro-vs-cue)
- **Cub** (https://plainspell.com/en/vs/cro-vs-cub)
- **CSS** (https://plainspell.com/en/vs/cro-vs-css)
- **CVS** (https://plainspell.com/en/vs/cro-vs-cvs)
- **CSI** (https://plainspell.com/en/vs/cro-vs-csi)
- **CSR** (https://plainspell.com/en/vs/cro-vs-csr)
- **CSA** (https://plainspell.com/en/vs/cro-vs-csa)
- **CRT** (https://plainspell.com/en/vs/cro-vs-crt)

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