# Pasteur

> English word · Proper noun · frequency rank #37,146

## Definitions
1. A surname from French.
2. Louis Pasteur, a French biologist of the nineteenth century.

## Etymology
French pasteur, "shepherd". Doublet of Pastore.

## Easily confused with
- **poster** (https://plainspell.com/en/vs/pasteur-vs-poster)
- **pastor** (https://plainspell.com/en/vs/pasteur-vs-pastor)
- **patter** (https://plainspell.com/en/vs/pasteur-vs-patter)
- **pester** (https://plainspell.com/en/vs/pasteur-vs-pester)
- **plaster** (https://plainspell.com/en/vs/pasteur-vs-plaster)
- **pasture** (https://plainspell.com/en/vs/pasteur-vs-pasture)
- **paste** (https://plainspell.com/en/vs/paste-vs-pasteur)
- **pastel** (https://plainspell.com/en/vs/pastel-vs-pasteur)
- **passer** (https://plainspell.com/en/vs/passer-vs-pasteur)

## Common misspellings (9)
`apsteur`, `pasetur`, `passteur`, `pasteru`, `pasteurr`, `pastteur`, `patseur`, `ppasteur`, `psateur`

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