aliénationvsaltérationTell them apart

Which to use

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

#20,344
“aliénation” frequency rank
#18,110
“altération” frequency rank
38454
confusion score

Side-by-Side Comparison

Feature aliénation altération
Definition Transfert volontaire ou forcé à autrui de la propriété ou d’un droit réel sur un bien appartenant au patrimoine d’une personne (→ voir cession et transfert). Changement dans l’état d’une chose.

Where the eye mixes aliénation and altération

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.

10 ch
aliénation
10 ch
altération

Why the eye confuses aliénation with altération

A purely visual mix-up. aliénation (\a.lje.na.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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 38454, derived from the frequency rank of both members and their visual similarity.

aliénation is recorded at frequency rank #20,344, classified as anoun, pronounced \a.lje.na.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 38454, this pair ranks #255,159 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aliénation vs altération

Shared letters: ailnoté. Private to "aliénation": -. Private to "altération": r.

"aliénation" · 10 letters · shape VCVVCVCVVC  ·  "altération" · 10 letters · shape VCCVCVCVVC

Frequently Asked Questions

Is swapping "aliénation" for "altération" ever safe?
No. They are said differently (\a.lje.na.sjɔ̃\ versus \al.te.ʁa.sjɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "aliénation" vs "altération" - which ranks higher?
"altération" is the more common of the two: it sits at frequency rank #18,110 in our French list, against #20,344 for "aliénation". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "aliénation" and "altération" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "aliénation" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "altération" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #255,159 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "aliénation" and "altération" also get mixed up with nearby pairs, the highest-scored neighbour is "altération vs altérations". Nearby pair

Confusion rank #255,159 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