# Playfair

> English word · Proper noun · frequency rank #72,656

## Definitions
1. A surname.
2. A placename
3. A placename
4. A placename

## Etymology
* (craters): The craters are Named after Scottish mathematician, scientist and C of S minister John Playfair
* (cipher): The cipher is Named after British Lord, baron, politician and scientist Lyon Playfair, who popularized the cipher.

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