# pro

> English word · Noun · IPA /pɹəʊ/ · frequency rank #1,232

## Definitions
1. An advantage of something, especially when contrasted with its disadvantages (cons).
2. A person who supports a concept or principle.

## Etymology
From Late Middle English pro, from Latin prō (“on behalf of”).

## Easily confused with
- **pt** (https://plainspell.com/en/vs/pro-vs-pt)
- **PS** (https://plainspell.com/en/vs/pro-vs-ps)
- **PU** (https://plainspell.com/en/vs/pro-vs-pu)
- **PV** (https://plainspell.com/en/vs/pro-vs-pv)
- **PW** (https://plainspell.com/en/vs/pro-vs-pw)
- **PX** (https://plainspell.com/en/vs/pro-vs-px)
- **put** (https://plainspell.com/en/vs/pro-vs-put)
- **pub** (https://plainspell.com/en/vs/pro-vs-pub)
- **pup** (https://plainspell.com/en/vs/pro-vs-pup)
- **pun** (https://plainspell.com/en/vs/pro-vs-pun)
- **PSA** (https://plainspell.com/en/vs/pro-vs-psa)
- **PTS** (https://plainspell.com/en/vs/pro-vs-pts)
- **psi** (https://plainspell.com/en/vs/pro-vs-psi)
- **PSG** (https://plainspell.com/en/vs/pro-vs-psg)
- **PST** (https://plainspell.com/en/vs/pro-vs-pst)
- **PSP** (https://plainspell.com/en/vs/pro-vs-psp)
- **PVC** (https://plainspell.com/en/vs/pro-vs-pvc)
- **pug** (https://plainspell.com/en/vs/pro-vs-pug)
- **pry** (https://plainspell.com/en/vs/pro-vs-pry)
- **PTA** (https://plainspell.com/en/vs/pro-vs-pta)

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