billonvsbisonWhich spelling fits?

Which to use

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

#41,675
“billon” frequency rank
#24,129
“bison” frequency rank
65804
confusion score

Side-by-Side Comparison

Feature billon bison
Definition Pièce de bois de sapin équarrie, billot. Grand bovidé (du genre Bison) existant en Amérique (Bison bison) et en Europe (Bison bonasus).

Where the eye mixes billon and bison

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
billon
5 ch
bison

Look-alike desk: billon vs bison

A purely visual mix-up. billon (\bi.jɔ̃\) and bison (\bi.zɔ̃\) 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 65804, derived from the frequency rank of both members and their visual similarity.

billon is recorded at frequency rank #41,675, classified as anoun, pronounced \bi.jɔ̃\. bison is at rank #24,129, tagged as anoun, pronounced \bi.zɔ̃\.

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 65804, this pair ranks #70,691 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of billon vs bison

Shared letters: bino. Private to "billon": l. Private to "bison": s.

"billon" · 6 letters · shape CVCCVC  ·  "bison" · 5 letters · shape CVCVC

Known mistypes of this pair

  • billonbbillon · billno · billonn · biloln · bilon · blilon · ibllon
  • bisonbbison · biosn · bisno · bisonn · bsion · ibson

Frequently Asked Questions

Do "billon" and "bison" mean the same thing in a sentence?
No. They are said differently (\bi.jɔ̃\ versus \bi.zɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "billon" vs "bison" - which ranks higher?
"bison" is the more common of the two: it sits at frequency rank #24,129 in our French list, against #41,675 for "billon". 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 "billon" and "bison" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "billon" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "bison" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #70,691 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "billon" and "bison" also get mixed up with nearby pairs, the highest-scored neighbour is "billion vs billon". 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 #70,691 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