bouillirvsbousillerTell them apart

Which to use

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

#16,560
“bouillir” frequency rank
#39,186
“bousiller” frequency rank
55746
confusion score

Side-by-Side Comparison

Feature bouillir bousiller
Definition Être dans l’état d’ébullition. Construire en torchis, c'est à dire en utilisant entre autre de la boue.

Where the eye mixes bouillir and bousiller

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. bouillir runs 8 letters (CVVVCCVC) against bousiller's 9 (CVVCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
bouillir
9 ch
bousiller

Look-alike desk: bouillir vs bousiller

A purely visual mix-up. bouillir (\bu.jiʁ\) and bousiller (\bu.zi.je\) 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 55746, derived from the frequency rank of both members and their visual similarity.

bouillir is recorded at frequency rank #16,560, classified as averb, pronounced \bu.jiʁ\. bousiller is at rank #39,186, tagged as averb, pronounced \bu.zi.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 55746, this pair ranks #125,481 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of bouillir vs bousiller

Shared letters: biloru. Private to "bouillir": -. Private to "bousiller": es.

"bouillir" · 8 letters · shape CVVVCCVC  ·  "bousiller" · 9 letters · shape CVVCVCCVC

Known mistypes of this pair

  • bouillir ← bbouillir · boiullir · bouililr · bouilir · bouillirr · bouillri · boulilir · buoillir
  • bousiller ← bbousiller · bosuiller · bouisller · bousilelr · bousiler · bousillerr · bousillre · bousliler

Frequently Asked Questions

Can "bouillir" and "bousiller" be used interchangeably?
No. They are said differently (\bu.jiʁ\ versus \bu.zi.je\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "bouillir" vs "bousiller" - which ranks higher?
"bouillir" is the more common of the two: it sits at frequency rank #16,560 in our French list, against #39,186 for "bousiller". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "bouillir" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bousiller" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #125,481 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "bouillir" and "bousiller" also get mixed up with nearby pairs, the highest-scored neighbour is "bouille vs bousiller". 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 #125,481 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