airevsaurWhat's the difference?

Which to use

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

#5,629
“aire” frequency rank
#49,504
“aur” frequency rank
55133
confusion score

Side-by-Side Comparison

Feature aire aur
Definition Superficie, quantité positive associée à une surface bornée, plane ou dans l’espace à trois dimensions. Or. Élément chimique de numéro atomique 79 et de symbole Au qui fait partie des métaux de transition.

Where the eye mixes aire and aur

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. aire runs 4 letters (VVCV) against aur's 3 (VVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
aire
3 ch
aur

Why the eye confuses aire with aur

A purely visual mix-up. aire (\ɛʁ\) and aur (\ˈawɾ\) 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 55133, derived from the frequency rank of both members and their visual similarity.

aire is recorded at frequency rank #5,629, classified as anoun, pronounced \ɛʁ\. aur is at rank #49,504, tagged as anoun, pronounced \ˈawɾ\.

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 55133, this pair ranks #129,474 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aire vs aur

Shared letters: ar. Private to "aire": ei. Private to "aur": u.

"aire" · 4 letters · shape VVCV  ·  "aur" · 3 letters · shape VVC

Known mistypes of this pair

  • aire ← aier · airre · arie · iare

Frequently Asked Questions

Is swapping "aire" for "aur" ever safe?
No. They are said differently (\ɛʁ\ versus \ˈawɾ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "aire" vs "aur" - which ranks higher?
"aire" is the more common of the two: it sits at frequency rank #5,629 in our French list, against #49,504 for "aur". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "aire" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aur" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #129,474 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "aire" and "aur" also get mixed up with nearby pairs, the highest-scored neighbour is "Ahn 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 #129,474 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