Which to use
“A4” is a symbol and “ah” is an onomatopoeia - they look or sound alike but fill different roles in a sentence.
- #18,920
- “A4” frequency rank
- #396
- “ah” frequency rank
- 19316
- confusion score
Side-by-Side Comparison
| Feature | A4 | ah |
|---|---|---|
| Definition | Format de papier de 210 mm × 297 mm. | Cri d’horreur ou d’effroi, en particulier lors d’une chute. |
Letter map: A4 vs ah
Shared letters muted; letters that set A4 and ah apart highlighted. Shared run: 1.
Role in the sentence - A4 and ah
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: A4 is asymbol and ahanonomatopoeia. On the page they differ by a single letter - 4 in “A4” becomes h in “ah”. Our composite confusion score for this pair is 19316, derived from the frequency rank of both members and their visual similarity.
A4 is recorded at frequency rank #18,920, classified as asymbol. ah is at rank #396, tagged as anonomatopoeia, pronounced \aː\.
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 19316, this pair ranks #373,874 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of A4 vs ah
Shared letters: a. Private to "A4": -. Private to "ah": h.
"A4" · 1 letters · shape V · "ah" · 2 letters · shape VC
Frequently Asked Questions
Is swapping "A4" for "ah" ever safe?
Frequency check: "A4" vs "ah" - which ranks higher?
Useful next steps
You've compared "A4" and "ah". Here's where to go from here.
- Full dictionary entry for "A4" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ah" - compare definitions side by side with the headword page. Word entry
- This pair ranks #373,874 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "A4" and "ah" also get mixed up with nearby pairs, the highest-scored neighbour is "A4 vs aur". Nearby pair
Confusion rank #373,874 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.