Which to use
“BNF” and “bus” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #23,782
- “BNF” frequency rank
- #1,508
- “bus” frequency rank
- 25290
- confusion score
Side-by-Side Comparison
| Feature | BNF | bus |
|---|---|---|
| Definition | Backus-Naur Form | Véhicule de transport en commun routier pouvant transporter plusieurs dizaines de passagers. |
Where the eye mixes BNF and bus
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between BNF and bus
A purely visual mix-up. BNF (\be.ɛn.ɛf\) and bus (\bys\) 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 25290, derived from the frequency rank of both members and their visual similarity.
BNF is recorded at frequency rank #23,782, classified as anoun, pronounced \be.ɛn.ɛf\. bus is at rank #1,508, tagged as anoun, pronounced \bys\.
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 25290, this pair ranks #341,707 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of BNF vs bus
Shared letters: b. Private to "BNF": fn. Private to "bus": su.
"BNF" · 3 letters · shape CCC · "bus" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "BNF" for "bus" ever safe?
In ordinary French text, does "BNF" or "bus" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "BNF" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "bus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #341,707 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "BNF" and "bus" also get mixed up with nearby pairs, the highest-scored neighbour is "ber vs BNF". Nearby pair
Confusion rank #341,707 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.