Which to use
“billion” and “billon” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #47,189
- “billion” frequency rank
- #41,675
- “billon” frequency rank
- 88864
- confusion score
Side-by-Side Comparison
| Feature | billion | billon |
|---|---|---|
| Definition | Un million de millions, ou mille milliards, selon l’échelle longue. 10¹², c’est-à-dire 1,000,000,000,000. | Pièce de bois de sapin équarrie, billot. |
Where the eye mixes billion and billon
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Look-alike desk: billion vs billon
A purely visual mix-up. billion (\bi.ljɔ̃\) and billon (\bi.jɔ̃\) 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 88864, derived from the frequency rank of both members and their visual similarity.
billion is recorded at frequency rank #47,189, classified as anoun, pronounced \bi.ljɔ̃\. billon is at rank #41,675, tagged as anoun, pronounced \bi.jɔ̃\.
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 88864, this pair ranks #6,441 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of billion vs billon
Shared letters: bilno. Private to "billion": -. Private to "billon": -.
"billion" · 7 letters · shape CVCCVVC · "billon" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "billion" and "billon" mean the same thing in a sentence?
In ordinary French text, does "billion" or "billon" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "billion" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "billon" - compare definitions side by side with the headword page. Word entry
- This pair ranks #6,441 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "billion" and "billon" also get mixed up with nearby pairs, the highest-scored neighbour is "bâillon vs billion". 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 #6,441 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.