Which to use
“B1” and “BC” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #21,862
- “B1” frequency rank
- #11,351
- “BC” frequency rank
- 33213
- confusion score
Side-by-Side Comparison
| Feature | B1 | BC |
|---|---|---|
| Definition | Habilitation électrique qualifiant une personne autorisée à effectuer des travaux d’ordre électrique en basse tension selon la norme NF C 18-510. | Habilitation électrique qualifiant une personne autorisée à effectuer une consignation électrique en basse tension selon la norme NF C 18-510. |
Where the eye mixes B1 and BC
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: B1 vs BC
A purely visual mix-up. B1 (\be.œ̃\) and BC (\be.se\) 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 a single letter - 1 in “B1” becomes c in “BC”. Our composite confusion score for this pair is 33213, derived from the frequency rank of both members and their visual similarity.
B1 is recorded at frequency rank #21,862, classified as anoun, pronounced \be.œ̃\. BC is at rank #11,351, tagged as anoun, pronounced \be.se\.
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 33213, this pair ranks #292,120 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of B1 vs BC
Shared letters: b. Private to "B1": -. Private to "BC": c.
"B1" · 1 letters · shape C · "BC" · 2 letters · shape CC
Frequently Asked Questions
Is swapping "B1" for "BC" ever safe?
Which is more common, "B1" or "BC"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "B1" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "BC" - compare definitions side by side with the headword page. Word entry
- This pair ranks #292,120 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "B1" and "BC" also get mixed up with nearby pairs, the highest-scored neighbour is "B1 vs ber". Nearby pair
Confusion rank #292,120 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.