airvsapuConfusable pair

Which to use

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

#341
“air” frequency rank
#48,918
“apu” frequency rank
49259
confusion score

Side-by-Side Comparison

Feature air apu
Definition Mélange gazeux constituant l’atmosphère. Banquise.

Where the eye mixes air and apu

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
air
3 ch
apu

Visual trap between air and apu

A purely visual mix-up. air (\ɛʁ\) and apu (\a.pu\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 49259, derived from the frequency rank of both members and their visual similarity.

air is recorded at frequency rank #341, classified as anoun, pronounced \ɛʁ\. apu is at rank #48,918, tagged as anoun, pronounced \a.pu\.

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 49259, this pair ranks #172,098 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of air vs apu

Shared letters: a. Private to "air": ir. Private to "apu": pu.

"air" · 3 letters · shape VVC  ·  "apu" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "air" for "apu" ever safe?
No. They are said differently (\ɛʁ\ versus \a.pu\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "air" or "apu" show up more?
"air" is the more common of the two: it sits at frequency rank #341 in our French list, against #48,918 for "apu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "air" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "apu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #172,098 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "air" and "apu" also get mixed up with nearby pairs, the highest-scored neighbour is "apu vs aur". Nearby pair

Confusion rank #172,098 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