Which to use
“A4” is a symbol and “at” is a noun - they look or sound alike but fill different roles in a sentence.
- #18,920
- “A4” frequency rank
- #4,122
- “at” frequency rank
- 23042
- confusion score
Side-by-Side Comparison
| Feature | A4 | at |
|---|---|---|
| Definition | Format de papier de 210 mm × 297 mm. | Ancien nom de l’attier, qui a peut-être été importé à la Réunion par les Malbars et les Tamouls ; ce nom était particulièrement fréquent au Sénégal. |
Letter map: A4 vs at
Shared letters muted; letters that set A4 and at apart highlighted. Shared run: 1.
Part-of-speech tell for A4 / at
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: A4 is asymbol and atanoun. On the page they differ by a single letter - 4 in “A4” becomes t in “at”. Our composite confusion score for this pair is 23042, derived from the frequency rank of both members and their visual similarity.
A4 is recorded at frequency rank #18,920, classified as asymbol. at is at rank #4,122, tagged as anoun, pronounced \at\.
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 23042, this pair ranks #354,695 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of A4 vs at
Shared letters: a. Private to "A4": -. Private to "at": t.
"A4" · 1 letters · shape V · "at" · 2 letters · shape VC
Frequently Asked Questions
Do "A4" and "at" mean the same thing in a sentence?
Frequency check: "A4" vs "at" - which ranks higher?
What to do next
You've compared "A4" and "at". Here's where to go from here.
- Full dictionary entry for "A4" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "at" - compare definitions side by side with the headword page. Word entry
- This pair ranks #354,695 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "A4" and "at" also get mixed up with nearby pairs, the highest-scored neighbour is "A4 vs aur". Nearby pair
Confusion rank #354,695 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.