A1vsaeConfusable pair

Which to use

“A1” and “ae” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#17,858
“A1” frequency rank
#20,911
“ae” frequency rank
38769
confusion score

Side-by-Side Comparison

Feature A1 ae
Definition Format d'une feuille de 594,6 mm sur 840,9. Graine.

Letter map: A1 vs ae

Shared letters muted; letters that set A1 and ae apart highlighted. Shared run: 1.

2 ch
A1
2 ch
ae

Pair insight - A1 / ae

A1 and ae are indexed as a confusable French pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - 1 in “A1” becomes e in “ae”. Our composite confusion score for this pair is 38769, derived from the frequency rank of both members and their visual similarity.

A1 is recorded at frequency rank #17,858, classified as anoun, pronounced \a.œ̃\. ae is at rank #20,911, tagged as anoun.

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 38769, this pair ranks #252,932 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of A1 vs ae

Shared letters: a. Private to "A1": -. Private to "ae": e.

"A1" · 1 letters · shape V  ·  "ae" · 2 letters · shape VV

Frequently Asked Questions

Is swapping "A1" for "ae" ever safe?
No. They differ by a single letter - 1 in “A1” becomes e in “ae”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary French text, does "A1" or "ae" show up more?
"A1" is the more common of the two: it sits at frequency rank #17,858 in our French list, against #20,911 for "ae". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "A1" vs "ae" is on the table, pick a follow-up below.

  • Full dictionary entry for "A1" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ae" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #252,932 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "A1" and "ae" also get mixed up with nearby pairs, the highest-scored neighbour is "ae vs aves". Nearby pair

Confusion rank #252,932 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