AvsanWhich spelling fits?

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

Which to use

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

#14
“A” frequency rank
#363
“an” frequency rank
377
confusion score

Side-by-Side Comparison

Feature A an
Definition En logique, symbole de la proposition universelle affirmative. 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: A vs an

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

1 ch
A
2 ch
an

Part-of-speech tell for A / an

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: A is asymbol and ananoun. On the page they differ by 1 extra letter(s) - “A” sits inside “an”. Our composite confusion score for this pair is 377, derived from the frequency rank of both members and their visual similarity.

A is recorded at frequency rank #14, classified as asymbol. 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 377, this pair ranks #439,735 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of A vs an

Shared letters: a. Private to "A": -. Private to "an": n.

"A" · 1 letters · shape V  ·  "an" · 2 letters · shape VC

Frequently Asked Questions

Do "A" and "an" mean the same thing in a sentence?
No - they are not even the same part of speech. "A" is a symbol and "an" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "A" or "an"?
"A" is the more common of the two: it sits at frequency rank #14 in our French list, against #363 for "an". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "A" and "an". Here's where to go from here.

  • Full dictionary entry for "A" 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 #439,735 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "A" and "an" also get mixed up with nearby pairs, the highest-scored neighbour is "an vs aur". Nearby pair

Confusion rank #439,735 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