Which to use
“altérer” and “avérer” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,157
- “altérer” frequency rank
- #15,095
- “avérer” frequency rank
- 37252
- confusion score
Side-by-Side Comparison
| Feature | altérer | avérer |
|---|---|---|
| Definition | Modifier dans sa nature, dans sa structure, un corps. | Reconnaître ou faire reconnaître pour vrai. |
Where the eye mixes altérer and avérer
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Look-alike desk: altérer vs avérer
A purely visual mix-up. altérer (\al.te.ʁe\) and avérer (\a.ve.ʁe\) 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 37252, derived from the frequency rank of both members and their visual similarity.
altérer is recorded at frequency rank #22,157, classified as averb, pronounced \al.te.ʁe\. avérer is at rank #15,095, tagged as averb, pronounced \a.ve.ʁe\.
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 37252, this pair ranks #263,804 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of altérer vs avérer
Shared letters: aeré. Private to "altérer": lt. Private to "avérer": v.
"altérer" · 7 letters · shape VCCVCVC · "avérer" · 6 letters · shape VCVCVC
Frequently Asked Questions
Do "altérer" and "avérer" mean the same thing in a sentence?
In ordinary French text, does "altérer" or "avérer" show up more?
After this comparison
Eye-level mix-up between "altérer" and "avérer" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "altérer" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "avérer" - compare definitions side by side with the headword page. Word entry
- This pair ranks #263,804 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "altérer" and "avérer" also get mixed up with nearby pairs, the highest-scored neighbour is "avéra vs avérer". Nearby pair
Confusion rank #263,804 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.