Which to use
“fo” and “fût” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,484
- “fo” frequency rank
- #7,062
- “fût” frequency rank
- 16546
- confusion score
Side-by-Side Comparison
| Feature | fo | fût |
|---|---|---|
| Definition | Folio. | Bois sur lequel est monté le canon d’un fusil, d’une arquebuse, d’un pistolet, etc. |
Where the eye mixes fo and fût
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses fo with fût
A purely visual mix-up. fo (\fɔ.ljo\) and fût (\fy\) 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 16546, derived from the frequency rank of both members and their visual similarity.
fo is recorded at frequency rank #9,484, classified as anoun, pronounced \fɔ.ljo\. fût is at rank #7,062, tagged as anoun, pronounced \fy\.
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 16546, this pair ranks #387,340 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of fo vs fût
Shared letters: f. Private to "fo": o. Private to "fût": tû.
"fo" · 2 letters · shape CV · "fût" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "fo" for "fût" ever safe?
In ordinary French text, does "fo" or "fût" show up more?
Useful next steps
Eye-level mix-up between "fo" and "fût" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "fo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fût" - compare definitions side by side with the headword page. Word entry
- This pair ranks #387,340 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "fo" and "fût" also get mixed up with nearby pairs, the highest-scored neighbour is "Fee vs fo". Nearby pair
Confusion rank #387,340 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.