# forty

> English word · Numeral · IPA /ˈfɔːti/ · frequency rank #5,130

## Definitions
1. The cardinal number occurring after thirty-nine and before forty-one, represented in Roman numerals as XL and in Arabic numerals as 40.

## Etymology
From Middle English fourti, feortiȝ, from Old English fēowertiġ, ultimately from Proto-Germanic *fedwōr tigiwiz (“forty”). By surface analysis, four + -ty.

## Easily confused with
- **fry** (https://plainspell.com/en/vs/forty-vs-fry)
- **foy** (https://plainspell.com/en/vs/forty-vs-foy)
- **fury** (https://plainspell.com/en/vs/forty-vs-fury)
- **fray** (https://plainspell.com/en/vs/forty-vs-fray)
- **Frey** (https://plainspell.com/en/vs/forty-vs-frey)
- **foxy** (https://plainspell.com/en/vs/forty-vs-foxy)
- **forum** (https://plainspell.com/en/vs/forty-vs-forum)
- **furry** (https://plainspell.com/en/vs/forty-vs-furry)
- **fourth** (https://plainspell.com/en/vs/forty-vs-fourth)
- **frosty** (https://plainspell.com/en/vs/forty-vs-frosty)
- **for** (https://plainspell.com/en/vs/for-vs-forty)
- **form** (https://plainspell.com/en/vs/form-vs-forty)
- **foot** (https://plainspell.com/en/vs/foot-vs-forty)
- **ford** (https://plainspell.com/en/vs/ford-vs-forty)
- **fort** (https://plainspell.com/en/vs/fort-vs-forty)
- **fork** (https://plainspell.com/en/vs/fork-vs-forty)
- **font** (https://plainspell.com/en/vs/font-vs-forty)
- **fart** (https://plainspell.com/en/vs/fart-vs-forty)
- **fora** (https://plainspell.com/en/vs/fora-vs-forty)
- **force** (https://plainspell.com/en/vs/force-vs-forty)

## Common misspellings (8)
`fforty`, `forrty`, `fortty`, `fortyy`, `foryt`, `fotry`, `froty`, `ofrty`

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