Which to use
“A3” is a noun and “at” is a preposition - they look or sound alike but fill different roles in a sentence.
- #19,748
- “A3” frequency rank
- #21
- “at” frequency rank
- 19769
- confusion score
Side-by-Side Comparison
| Feature | A3 | at |
|---|---|---|
| Definition | A one-page document, often tabular or graphical, on such paper. | In, near, or in the general vicinity of (a particular place). |
Letter map: A3 vs at
Shared letters muted; letters that set A3 and at apart highlighted. Shared run: 1.
Role in the sentence - A3 and at
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: A3 is anoun and atapreposition. On the page they differ by a single letter - 3 in “A3” becomes t in “at”. Our composite confusion score for this pair is 19769, derived from the frequency rank of both members and their visual similarity.
A3 is recorded at frequency rank #19,748, classified as anoun. at is at rank #21, tagged as aprep, pronounced /æt/.
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 19769, this pair ranks #435,857 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of A3 vs at
Shared letters: a. Private to "A3": -. Private to "at": t.
"A3" · 1 letters · shape V · "at" · 2 letters · shape VC
Frequently Asked Questions
Do "A3" and "at" mean the same thing in a sentence?
In ordinary English text, does "A3" or "at" show up more?
After this comparison
You've compared "A3" and "at". Here's where to go from here.
- Full dictionary entry for "A3" 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 #435,857 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "A3" and "at" also get mixed up with nearby pairs, the highest-scored neighbour is "A3 vs amb". Nearby pair
Confusion rank #435,857 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.