Which to use
“an” is a noun and “Arno” is a name - they look or sound alike but fill different roles in a sentence.
- #363
- “an” frequency rank
- #34,422
- “Arno” frequency rank
- 34785
- confusion score
Side-by-Side Comparison
| Feature | an | Arno |
|---|---|---|
| Definition | Temps que met la Terre à accomplir une révolution autour du Soleil et qui se divise en douze mois. Année (voir Notes plus bas). | Fleuve italien qui traverse Florence. |
Where the eye mixes an and Arno
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses an with Arno
These two trip readers on the page rather than in the ear: an is \ɑ̃\ while Arno is \aʁ.no\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 34785, derived from the frequency rank of both members and their visual similarity.
an is recorded at frequency rank #363, classified as anoun, pronounced \ɑ̃\. Arno is at rank #34,422, tagged as aname, pronounced \aʁ.no\.
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 34785, this pair ranks #281,399 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of an vs Arno
Shared letters: an. Private to "an": -. Private to "Arno": or.
"an" · 2 letters · shape VC · "Arno" · 4 letters · shape VCCV
Known mistypes of this pair
- Arno ← anro · arnno · arrno · rano
Frequently Asked Questions
Is swapping "an" for "Arno" ever safe?
Which is more common, "an" or "Arno"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "an" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Arno" - compare definitions side by side with the headword page. Word entry
- This pair ranks #281,399 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "an" and "Arno" also get mixed up with nearby pairs, the highest-scored neighbour is "Arno vs arti". 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 #281,399 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.