# fiftieth

> English word · Adjective · IPA /ˈfɪf.ti.əθ/ · frequency rank #45,371

## Definitions
1. The ordinal form of the number fifty.

## Etymology
From earlier fifteth, from Middle English fiftithe, fyftith; equivalent to fifty + -eth. For the modern form, see the etymological notes at twentieth.

## Easily confused with
- **fifties** (https://plainspell.com/en/vs/fifties-vs-fiftieth)
- **fifteenth** (https://plainspell.com/en/vs/fifteenth-vs-fiftieth)

## Common misspellings (12)
`ffiftieth`, `ffitieth`, `fifftieth`, `fifiteth`, `fifteith`, `fiftieht`, `fiftiethh`, `fiftietth`, `fiftiteh`, `fifttieth`, `fitfieth`, `ifftieth`

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