Which to use
“A3” and “aru” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #20,334
- “A3” frequency rank
- #48,924
- “aru” frequency rank
- 69258
- confusion score
Side-by-Side Comparison
| Feature | A3 | aru |
|---|---|---|
| Definition | Format de papier mesurant 420 mm × 297 mm. | Vagin. |
Where the eye mixes A3 and aru
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses A3 with aru
A purely visual mix-up. A3 (\ɑ.tʁwa\) and aru (\aru\) 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 69258, 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\. aru is at rank #48,924, tagged as anoun, pronounced \aru\.
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 69258, this pair ranks #55,850 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of A3 vs aru
Shared letters: a. Private to "A3": -. Private to "aru": ru.
"A3" · 1 letters · shape V · "aru" · 3 letters · shape VCV
Frequently Asked Questions
Can "A3" and "aru" be used interchangeably?
In ordinary French text, does "A3" or "aru" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "A3" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "aru" - compare definitions side by side with the headword page. Word entry
- This pair ranks #55,850 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "A3" and "aru" also get mixed up with nearby pairs, the highest-scored neighbour is "aru vs aur". Nearby pair
Confusion rank #55,850 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.