# hadn't vs haven't

> English confusable word pair

## The two words

### hadn't
*verb · IPA /ˈhæd.n̩t/ · frequency rank #3,627*
Contraction of had + not (negative auxiliary).

### haven't
*verb · IPA /ˈhæv.n̩t/ · frequency rank #808*
have not (negative form of have)

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