Which to use
“A3” and “acs” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #20,334
- “A3” frequency rank
- #45,982
- “acs” frequency rank
- 66316
- confusion score
Side-by-Side Comparison
| Feature | A3 | acs |
|---|---|---|
| Definition | Format de papier mesurant 420 mm × 297 mm. | Pluriel d’ac. |
Where the eye mixes A3 and acs
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between A3 and acs
A purely visual mix-up. A3 (\ɑ.tʁwa\) and acs (\ˈat͡s\) 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 66316, derived from the frequency rank of both members and their visual similarity.
A3 is recorded at frequency rank #20,334, classified as anoun, pronounced \ɑ.tʁwa\. acs is at rank #45,982, tagged as anoun, pronounced \ˈat͡s\.
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 66316, this pair ranks #68,358 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of A3 vs acs
Shared letters: a. Private to "A3": -. Private to "acs": cs.
"A3" · 1 letters · shape V · "acs" · 3 letters · shape VCC
Frequently Asked Questions
Is swapping "A3" for "acs" ever safe?
In ordinary French text, does "A3" or "acs" show up more?
After this comparison
Eye-level mix-up between "A3" and "acs" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "A3" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "acs" - compare definitions side by side with the headword page. Word entry
- This pair ranks #68,358 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "A3" and "acs" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs aves". Nearby pair
Confusion rank #68,358 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.