hadn'tvshaven'tWhat's the difference?

Which to use

“hadn't” and “haven't” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#3,627
“hadn't” frequency rank
#808
“haven't” frequency rank
4435
confusion score

Side-by-Side Comparison

Feature hadn't haven't
Definition Contraction of had + not (negative auxiliary). have not (negative form of have)

Where the spellings diverge

Shared letters are muted; the letters that actually set hadn't and haven't apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.

6 ch
hadn't
7 ch
haven't

Spelling & Dictionary Insight

A purely visual mix-up. hadn't (/ˈhæd.n̩t/) and haven't (/ˈhæv.n̩t/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 4435, derived from the frequency rank of both members and their visual similarity.

hadn't is recorded at frequency rank #3,627, classified as averb, pronounced /ˈhæd.n̩t/. haven't is at rank #808, tagged as averb, pronounced /ˈhæv.n̩t/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 4435, this pair ranks #518,937 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of hadn't vs haven't

Shared letters: ahnt. Private to "hadn't": d. Private to "haven't": ev.

"hadn't" · 5 letters · shape CVCCC  ·  "haven't" · 6 letters · shape CVCVCC

Frequency comparison

hadn't#3,627
haven't#808

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "hadn't" and "haven't" be used interchangeably?
No. They are said differently (/ˈhæd.n̩t/ versus /ˈhæv.n̩t/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "hadn't" or "haven't"?
"haven't" is the more common of the two: it sits at frequency rank #808 in our English list, against #3,627 for "hadn't". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering hadn't vs haven't

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “hadn't” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list