aérationvsaltérationWhat's the difference?

Which to use

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

#21,861
“aération” frequency rank
#18,110
“altération” frequency rank
39971
confusion score

Side-by-Side Comparison

Feature aération altération
Definition Action d’aérer ou résultat de cette action. Changement dans l’état d’une chose.

Where the spellings diverge

Shared letters are muted; the letters that actually set aération and altération apart are highlighted. They share 8 letters in sequence, which is exactly why the eye skips the difference.

8 ch
aération
10 ch
altération

Spelling & Dictionary Insight

A purely visual mix-up. aération (\a.e.ʁa.sjɔ̃\) and altération (\al.te.ʁa.sjɔ̃\) 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 2 letter(s) in length. Our composite confusion score for this pair is 39971, derived from the frequency rank of both members and their visual similarity.

aération is recorded at frequency rank #21,861, classified as anoun, pronounced \a.e.ʁa.sjɔ̃\. altération is at rank #18,110, tagged as anoun, pronounced \al.te.ʁa.sjɔ̃\.

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 39971, this pair ranks #243,970 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aération vs altération

Shared letters: ainorté. Private to "aération": -. Private to "altération": l.

"aération" · 8 letters · shape VVCVCVVC  ·  "altération" · 10 letters · shape VCCVCVCVVC

Frequency comparison

aération#21,861
altération#18,110

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "aération" and "altération" be used interchangeably?
No. They are said differently (\a.e.ʁa.sjɔ̃\ versus \al.te.ʁa.sjɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "aération" or "altération"?
"altération" is the more common of the two: it sits at frequency rank #18,110 in our French list, against #21,861 for "aération". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering aération vs altération

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “aération” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list