# petra

> English word · Noun · frequency rank #20,457

## Definitions
1. stone, a weight equal to 14 pounds.

## Etymology
From Latin petra (“rock”). Doublet of piedra.

## Easily confused with
- **PTA** (https://plainspell.com/en/vs/petra-vs-pta)
- **PRA** (https://plainspell.com/en/vs/petra-vs-pra)
- **pets** (https://plainspell.com/en/vs/petra-vs-pets)
- **pita** (https://plainspell.com/en/vs/petra-vs-pita)
- **petty** (https://plainspell.com/en/vs/petra-vs-petty)
- **petri** (https://plainspell.com/en/vs/petra-vs-petri)
- **poetry** (https://plainspell.com/en/vs/petra-vs-poetry)
- **petrol** (https://plainspell.com/en/vs/petra-vs-petrol)
- **Petrie** (https://plainspell.com/en/vs/petra-vs-petrie)
- **Petrov** (https://plainspell.com/en/vs/petra-vs-petrov)
- **per** (https://plainspell.com/en/vs/per-vs-petra)
- **pet** (https://plainspell.com/en/vs/pet-vs-petra)
- **pea** (https://plainspell.com/en/vs/pea-vs-petra)
- **peer** (https://plainspell.com/en/vs/peer-vs-petra)
- **Pete** (https://plainspell.com/en/vs/pete-vs-petra)
- **Peru** (https://plainspell.com/en/vs/peru-vs-petra)
- **pear** (https://plainspell.com/en/vs/pear-vs-petra)
- **perk** (https://plainspell.com/en/vs/perk-vs-petra)
- **perm** (https://plainspell.com/en/vs/perm-vs-petra)
- **peri** (https://plainspell.com/en/vs/peri-vs-petra)

## Common misspellings (7)
`eptra`, `perta`, `petar`, `petrra`, `pettra`, `ppetra`, `ptera`

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