soufflervssouillerWhich spelling fits?

Which to use

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

#11,667
“souffler” frequency rank
#40,019
“souiller” frequency rank
51686
confusion score

Side-by-Side Comparison

Feature souffler souiller
Definition Pousser de l’air hors de la bouche. Gâter, salir.

Where the eye mixes souffler and souiller

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. souffler (CVVCCCVC) and souiller (CVVVCCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

8 ch
souffler
8 ch
souiller

Visual trap between souffler and souiller

A purely visual mix-up. souffler (\su.fle\) and souiller (\su.je\) 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 51686, derived from the frequency rank of both members and their visual similarity.

souffler is recorded at frequency rank #11,667, classified as averb, pronounced \su.fle\. souiller is at rank #40,019, tagged as averb, pronounced \su.je\.

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 51686, this pair ranks #153,182 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of souffler vs souiller

Shared letters: elorsu. Private to "souffler": f. Private to "souiller": i.

"souffler" · 8 letters · shape CVVCCCVC  ·  "souiller" · 8 letters · shape CVVVCCVC

Known mistypes of this pair

  • soufflerosuffler · sofufler · souffelr · soufflerr · souffller · soufflre · soufler · souflfer
  • souillerosuiller · soiuller · souilelr · souillerr · souillre · souliler · ssouiller · suoiller

Frequently Asked Questions

Is swapping "souffler" for "souiller" ever safe?
No. They are said differently (\su.fle\ versus \su.je\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "souffler" or "souiller" show up more?
"souffler" is the more common of the two: it sits at frequency rank #11,667 in our French list, against #40,019 for "souiller". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "souffler" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "souiller" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #153,182 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "souffler" and "souiller" also get mixed up with nearby pairs, the highest-scored neighbour is "souillée vs souiller". 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 #153,182 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