impensablevsimposableTell them apart

Which to use

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

#17,452
“impensable” frequency rank
#19,317
“imposable” frequency rank
36769
confusion score

Side-by-Side Comparison

Feature impensable imposable
Definition Qui ne peut pas être compris par la pensée. Qui peut être soumis aux impositions.

Where the eye mixes impensable and imposable

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

10 ch
impensable
9 ch
imposable

Visual trap between impensable and imposable

A purely visual mix-up. impensable (\ɛ̃.pɑ̃.sabl\) and imposable (\ɛ̃.po.zabl\) 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 36769, derived from the frequency rank of both members and their visual similarity.

impensable is recorded at frequency rank #17,452, classified as anadj, pronounced \ɛ̃.pɑ̃.sabl\. imposable is at rank #19,317, tagged as anadj, pronounced \ɛ̃.po.zabl\.

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 36769, this pair ranks #267,253 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of impensable vs imposable

Shared letters: abeilmps. Private to "impensable": n. Private to "imposable": o.

"impensable" · 10 letters · shape VCCVCCVCCV  ·  "imposable" · 9 letters · shape VCCVCVCCV

Known mistypes of this pair

  • impensableimepnsable · immpensable · impenasble · impennsable · impensabble · impensabel · impensablle · impensalbe
  • imposableimmposable · imopsable · impoasble · imposabble · imposabel · imposablle · imposalbe · imposbale

Frequently Asked Questions

Is swapping "impensable" for "imposable" ever safe?
No. They are said differently (\ɛ̃.pɑ̃.sabl\ versus \ɛ̃.po.zabl\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "impensable" or "imposable" show up more?
"impensable" is the more common of the two: it sits at frequency rank #17,452 in our French list, against #19,317 for "imposable". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "impensable" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "imposable" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #267,253 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "impensable" and "imposable" also get mixed up with nearby pairs, the highest-scored neighbour is "imparable vs imposable". 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 #267,253 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