Which to use
“Aa” is a name and “an” is a noun - they look or sound alike but fill different roles in a sentence.
- #12,704
- “Aa” frequency rank
- #363
- “an” frequency rank
- 13067
- confusion score
Side-by-Side Comparison
| Feature | Aa | an |
|---|---|---|
| Definition | Abréviation standard du mycologue néerlandais Hubertus Antonius van der Aa. | Temps que met la Terre à accomplir une révolution autour du Soleil et qui se divise en douze mois. Année (voir Notes plus bas). |
Letter map: Aa vs an
Shared letters muted; letters that set Aa and an apart highlighted. Shared run: 1.
Part-of-speech tell for Aa / an
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Aa is aname and ananoun. On the page they differ by a single letter - a in “Aa” becomes n in “an”. Our composite confusion score for this pair is 13067, derived from the frequency rank of both members and their visual similarity.
Aa is recorded at frequency rank #12,704, classified as aname. an is at rank #363, tagged as anoun, pronounced \ɑ̃\.
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 13067, this pair ranks #402,568 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Aa vs an
Shared letters: a. Private to "Aa": -. Private to "an": n.
"Aa" · 2 letters · shape VV · "an" · 2 letters · shape VC
Frequently Asked Questions
Do "Aa" and "an" mean the same thing in a sentence?
Frequency check: "Aa" vs "an" - which ranks higher?
What to do next
Done with this confusable. These links stay specific to "Aa" and "an".
- Full dictionary entry for "Aa" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "an" - compare definitions side by side with the headword page. Word entry
- This pair ranks #402,568 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "Aa" and "an" also get mixed up with nearby pairs, the highest-scored neighbour is "Aa vs aur". Nearby pair
Confusion rank #402,568 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.