aspirervsassurerWhich spelling fits?

Which to use

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

#17,625
“aspirer” frequency rank
#1,019
“assurer” frequency rank
18644
confusion score

Side-by-Side Comparison

Feature aspirer assurer
Definition Attirer l’air extérieur dans ses poumons, par opposition à expirer. Rendre stable.

Where the eye mixes aspirer and assurer

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. aspirer and assurer follow the identical consonant-vowel pattern (VCCVCVC). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
aspirer
7 ch
assurer

Visual trap between aspirer and assurer

A purely visual mix-up. aspirer (\as.pi.ʁe\) and assurer (\a.sy.ʁe\) 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 18644, derived from the frequency rank of both members and their visual similarity.

aspirer is recorded at frequency rank #17,625, classified as averb, pronounced \as.pi.ʁe\. assurer is at rank #1,019, tagged as averb, pronounced \a.sy.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 18644, this pair ranks #377,250 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of aspirer vs assurer

Shared letters: aers. Private to "aspirer": ip. Private to "assurer": u.

"aspirer" · 7 letters · shape VCCVCVC  ·  "assurer" · 7 letters · shape VCCVCVC

Known mistypes of this pair

  • aspirer ← apsirer · asiprer · aspierr · aspirerr · aspirrer · asppirer · asprier · asspirer
  • assurer ← assruer · assuerr · assurerr · assurre · assurrer · asurer · asusrer · sasurer

Frequently Asked Questions

Do "aspirer" and "assurer" mean the same thing in a sentence?
No. They are said differently (\as.pi.ʁe\ versus \a.sy.ʁe\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "aspirer" or "assurer" show up more?
"assurer" is the more common of the two: it sits at frequency rank #1,019 in our French list, against #17,625 for "aspirer". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "aspirer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "assurer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #377,250 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "aspirer" and "assurer" also get mixed up with nearby pairs, the highest-scored neighbour is "assumez vs assurer". 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 #377,250 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