# fortnight vs fortnightly

> English confusable word pair

## The two words

### fortnight
*noun · IPA /ˈfɔːt.naɪt/ · frequency rank #16,920*
A period of 2 weeks.

### fortnightly
*adjective · frequency rank #38,847*
Occurring once in a fortnight; once every two weeks.

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