AragovsArnoConfusable pair

Which to use

“Arago” and “Arno” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#36,247
“Arago” frequency rank
#34,422
“Arno” frequency rank
70669
confusion score

Side-by-Side Comparison

Feature Arago Arno
Definition Nom de famille. Fleuve italien qui traverse Florence.

Where the eye mixes Arago and Arno

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. Arago runs 5 letters (VCVCV) against Arno's 4 (VCCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
Arago
4 ch
Arno

Why the eye confuses Arago with Arno

A purely visual mix-up. Arago (\a.ʁa.ɡo\) and Arno (\aʁ.no\) 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 70669, derived from the frequency rank of both members and their visual similarity.

Arago is recorded at frequency rank #36,247, classified as aname, pronounced \a.ʁa.ɡo\. 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 70669, this pair ranks #50,483 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of Arago vs Arno

Shared letters: aor. Private to "Arago": g. Private to "Arno": n.

"Arago" · 5 letters · shape VCVCV  ·  "Arno" · 4 letters · shape VCCV

Known mistypes of this pair

  • Arago ← aargo · araggo · araog · argao · arrago · raago
  • Arno ← anro · arnno · arrno · rano

Frequently Asked Questions

Do "Arago" and "Arno" mean the same thing in a sentence?
No. They are said differently (\a.ʁa.ɡo\ versus \aʁ.no\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Arago" or "Arno"?
"Arno" is the more common of the two: it sits at frequency rank #34,422 in our French list, against #36,247 for "Arago". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Arago" 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 #50,483 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Arago" 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 #50,483 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list