# fifty

> English word · Numeral · IPA /ˈfɪfti/ · frequency rank #4,376

## Definitions
1. The cardinal number occurring after forty-nine and before fifty-one.

## Etymology
PIE word
 *pénkʷe
From Middle English fifty, from Old English fīftiġ, from Proto-Germanic *fimf tigiwiz (“five tens”). By surface analysis, five + -ty.

## Easily confused with
- **fit** (https://plainspell.com/en/vs/fifty-vs-fit)
- **fits** (https://plainspell.com/en/vs/fifty-vs-fits)
- **fist** (https://plainspell.com/en/vs/fifty-vs-fist)
- **forty** (https://plainspell.com/en/vs/fifty-vs-forty)
- **fists** (https://plainspell.com/en/vs/fifty-vs-fists)
- **filth** (https://plainspell.com/en/vs/fifty-vs-filth)
- **fishy** (https://plainspell.com/en/vs/fifty-vs-fishy)
- **firth** (https://plainspell.com/en/vs/fifty-vs-firth)
- **filly** (https://plainspell.com/en/vs/fifty-vs-filly)
- **footy** (https://plainspell.com/en/vs/fifty-vs-footy)
- **fizzy** (https://plainspell.com/en/vs/fifty-vs-fizzy)
- **filthy** (https://plainspell.com/en/vs/fifty-vs-filthy)
- **flirty** (https://plainspell.com/en/vs/fifty-vs-flirty)
- **FIFA** (https://plainspell.com/en/vs/fifa-vs-fifty)
- **fiat** (https://plainspell.com/en/vs/fiat-vs-fifty)
- **fife** (https://plainspell.com/en/vs/fife-vs-fifty)
- **fifi** (https://plainspell.com/en/vs/fifi-vs-fifty)
- **fifth** (https://plainspell.com/en/vs/fifth-vs-fifty)
- **fatty** (https://plainspell.com/en/vs/fatty-vs-fifty)
- **fiery** (https://plainspell.com/en/vs/fiery-vs-fifty)

## Common misspellings (8)
`ffifty`, `ffity`, `fiffty`, `fiftty`, `fiftyy`, `fifyt`, `fitfy`, `iffty`

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