Which to use
“acre” and “arche” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,433
- “acre” frequency rank
- #10,990
- “arche” frequency rank
- 39423
- confusion score
Side-by-Side Comparison
| Feature | acre | arche |
|---|---|---|
| Definition | Unité de surface égale à 0,4 hectare ou à 4046,9 mètres carrés, encore utilisée en agriculture et dans divers pays avec des valeurs différentes. | Partie cintrée d’un pont, d’un aqueduc, d’un viaduc, etc. |
Where the eye mixes acre and arche
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. acre runs 4 letters (VCCV) against arche's 5 (VCCCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses acre with arche
A purely visual mix-up. acre (\akʁ\) and arche (\aʁʃ\) 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 39423, derived from the frequency rank of both members and their visual similarity.
acre is recorded at frequency rank #28,433, classified as anoun, pronounced \akʁ\. arche is at rank #10,990, tagged as anoun, pronounced \aʁʃ\.
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 39423, this pair ranks #248,070 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of acre vs arche
Shared letters: acer. Private to "acre": -. Private to "arche": h.
"acre" · 4 letters · shape VCCV · "arche" · 5 letters · shape VCCCV
Known mistypes of this pair
Frequently Asked Questions
Can "acre" and "arche" be used interchangeably?
Frequency check: "acre" vs "arche" - which ranks higher?
After this comparison
Eye-level mix-up between "acre" and "arche" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "acre" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "arche" - compare definitions side by side with the headword page. Word entry
- This pair ranks #248,070 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "acre" and "arche" also get mixed up with nearby pairs, the highest-scored neighbour is "acre vs aur". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #248,070 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.