# pi

> Portuguese word · Noun · IPA /ˈpi/ · frequency rank #9,089

## Definitions
1. a letra Π (minúscula: π) do alfabeto grego
2. número irracional que é a razão entre o perímetro de um círculo e o seu diâmetro; aproximadamente, 3,1415926

## Easily confused with
- **PT** (https://plainspell.com/pt/vs/pi-vs-pt)
- **pó** (https://plainspell.com/pt/vs/pi-vs-po)
- **por** (https://plainspell.com/pt/vs/pi-vs-por)
- **pro** (https://plainspell.com/pt/vs/pi-vs-pro)
- **pop** (https://plainspell.com/pt/vs/pi-vs-pop)
- **pio** (https://plainspell.com/pt/vs/pi-vs-pio)
- **pub** (https://plainspell.com/pt/vs/pi-vs-pub)
- **put** (https://plainspell.com/pt/vs/pi-vs-put)
- **Pol** (https://plainspell.com/pt/vs/pi-vs-pol)
- **pie** (https://plainspell.com/pt/vs/pi-vs-pie)
- **pod** (https://plainspell.com/pt/vs/pi-vs-pod)
- **pum** (https://plainspell.com/pt/vs/pi-vs-pum)
- **puf** (https://plainspell.com/pt/vs/pi-vs-puf)
- **pix** (https://plainspell.com/pt/vs/pi-vs-pix)
- **pois** (https://plainspell.com/pt/vs/pi-vs-pois)
- **pior** (https://plainspell.com/pt/vs/pi-vs-pior)
- **piso** (https://plainspell.com/pt/vs/pi-vs-piso)
- **pico** (https://plainspell.com/pt/vs/pi-vs-pico)
- **pica** (https://plainspell.com/pt/vs/pi-vs-pica)
- **pipa** (https://plainspell.com/pt/vs/pi-vs-pipa)

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