Which to use
“A1” is a noun and “A8” is a name - they look or sound alike but fill different roles in a sentence.
- #17,858
- “A1” frequency rank
- #31,797
- “A8” frequency rank
- 49655
- confusion score
Side-by-Side Comparison
| Feature | A1 | A8 |
|---|---|---|
| Definition | Format d'une feuille de 594,6 mm sur 840,9. | Autoroute belge partant de l'ouest de Bruxelles reliant le Hainaut à Tournai. |
Where the eye mixes A1 and A8
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between A1 and A8
These two trip readers on the page rather than in the ear: A1 is \a.œ̃\ while A8 is \a ɥit\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - 1 in “A1” becomes 8 in “A8”, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 49655, derived from the frequency rank of both members and their visual similarity.
A1 is recorded at frequency rank #17,858, classified as anoun, pronounced \a.œ̃\. A8 is at rank #31,797, tagged as aname, pronounced \a ɥit\.
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 49655, this pair ranks #168,878 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of A1 vs A8
Shared letters: a. Private to "A1": -. Private to "A8": -.
"A1" · 1 letters · shape V · "A8" · 1 letters · shape V
Frequently Asked Questions
Is swapping "A1" for "A8" ever safe?
Which is more common, "A1" or "A8"?
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 "A1" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "A8" - compare definitions side by side with the headword page. Word entry
- This pair ranks #168,878 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "A1" and "A8" also get mixed up with nearby pairs, the highest-scored neighbour is "A8 vs aur". Nearby pair
Confusion rank #168,878 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.