wonvswon'tWhat's the difference?

Which to use

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

#646
“won” frequency rank
#462
“won't” frequency rank
1108
confusion score

Side-by-Side Comparison

Feature won won't
Definition simple past and past participle of win will not (negative auxiliary); used to indicate a future non-occurring action.

Where the eye mixes won and won't

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
won
5 ch
won't

Spelling & Dictionary Insight

A purely visual mix-up. won (/wʌn/) and won't (/wəʊnt/) 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 2 extra letter(s) - “won” sits inside “won't”. Our composite confusion score for this pair is 1108, derived from the frequency rank of both members and their visual similarity.

won is recorded at frequency rank #646, classified as averb, pronounced /wʌn/. won't is at rank #462, tagged as averb, pronounced /wəʊnt/.

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 1108, this pair ranks #528,087 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of won vs won't

Shared letters: now. Private to "won": -. Private to "won't": t.

"won" · 3 letters · shape CVC  ·  "won't" · 4 letters · shape CVCC

Frequently Asked Questions

Can "won" and "won't" be used interchangeably?
No. They are said differently (/wʌn/ versus /wəʊnt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "won" or "won't"?
"won't" is the more common of the two: it sits at frequency rank #462 in our English list, against #646 for "won". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list