AvsA2Tell them apart

Quick tell: A is a symbol, A2 is a noun, so they fill different roles in a sentence.

Which to use

“A” is a symbol and “A2” is a noun - they look or sound alike but fill different roles in a sentence.

#14
“A” frequency rank
#15,292
“A2” frequency rank
15306
confusion score

Side-by-Side Comparison

Feature A A2
Definition En logique, symbole de la proposition universelle affirmative. Niveau de langue correspondant à un niveau élémentaire (intermédiaire ou usuel) : personne capable de comprendre des phrases isolées et des expressions fréquemment utilisées en relation avec des domaines de l’environnement quotidien (par exemple, informations personnelles et familiales simples, achats, travail) ; pouvoir communiquer lors de tâches simples et habituelles ne demandant qu’un échange d'informations simple et direct sur des sujets familiers et habituels ; savoir décrire avec des moyens simples sa formation, son environnement immédiat et évoquer des sujets qui correspondent à des besoins immédiats.

Letter map: A vs A2

Shared letters muted; letters that set A and A2 apart highlighted. Shared run: 1.

1 ch
A
2 ch
A2

Part-of-speech tell for A / A2

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: A is asymbol and A2anoun. On the page they differ by 1 extra letter(s) - “A” sits inside “A2”. Our composite confusion score for this pair is 15306, derived from the frequency rank of both members and their visual similarity.

A is recorded at frequency rank #14, classified as asymbol. A2 is at rank #15,292, tagged as anoun, pronounced \ɑ.dø\.

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 15306, this pair ranks #392,929 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of A vs A2

Shared letters: a. Private to "A": -. Private to "A2": -.

"A" · 1 letters · shape V  ·  "A2" · 1 letters · shape V

Frequently Asked Questions

Is swapping "A" for "A2" ever safe?
No - they are not even the same part of speech. "A" is a symbol and "A2" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "A" vs "A2" - which ranks higher?
"A" is the more common of the two: it sits at frequency rank #14 in our French list, against #15,292 for "A2". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "A" and "A2".

  • Full dictionary entry for "A" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "A2" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #392,929 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "A" and "A2" also get mixed up with nearby pairs, the highest-scored neighbour is "A2 vs aur". Nearby pair

Confusion rank #392,929 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list