Which to use
“brun” and “bu” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,320
- “brun” frequency rank
- #5,636
- “bu” frequency rank
- 10956
- confusion score
Side-by-Side Comparison
| Feature | brun | bu |
|---|---|---|
| Definition | De la couleur du marron clair tirant sur le noir. #993300 | Absorbé, en parlant d’un liquide ou de sentiment (les sentiments étaient autrefois considérés comme des humeurs, au sens propre de quelque chose d’humide). |
Letter map: brun vs bu
Shared letters muted; letters that set brun and bu apart highlighted. Shared run: 2.
Corpus notes: brun and bu
brun and bu are indexed as a confusable French pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 10956, derived from the frequency rank of both members and their visual similarity.
brun is recorded at frequency rank #5,320, classified as anadj, pronounced \bʁœ̃\. bu is at rank #5,636, tagged as anadj.
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 10956, this pair ranks #411,020 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of brun vs bu
Shared letters: bu. Private to "brun": nr. Private to "bu": -.
"brun" · 4 letters · shape CCVC · "bu" · 2 letters · shape CV
Known mistypes of this pair
- brun ← bbrun · brnu · brrun · brunn · rbun
Frequently Asked Questions
Is swapping "brun" for "bu" ever safe?
Which is more common, "brun" or "bu"?
Useful next steps
Pair "brun" vs "bu" is on the table, pick a follow-up below.
- Full dictionary entry for "brun" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "bu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #411,020 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "brun" and "bu" also get mixed up with nearby pairs, the highest-scored neighbour is "bu vs bury". 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 #411,020 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.