AavsaeWhich spelling fits?

Quick tell: Aa is a name, ae is a noun, so they fill different roles in a sentence.

Which to use

“Aa” is a name and “ae” is a noun - they look or sound alike but fill different roles in a sentence.

#12,704
“Aa” frequency rank
#20,911
“ae” frequency rank
33615
confusion score

Side-by-Side Comparison

Feature Aa ae
Definition Abréviation standard du mycologue néerlandais Hubertus Antonius van der Aa. Graine.

Letter map: Aa vs ae

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

2 ch
Aa
2 ch
ae

Grammar separator: Aa vs ae

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Aa is aname and aeanoun. On the page they differ by a single letter - a in “Aa” becomes e in “ae”. Our composite confusion score for this pair is 33615, derived from the frequency rank of both members and their visual similarity.

Aa is recorded at frequency rank #12,704, classified as aname. 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 33615, this pair ranks #289,439 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Aa vs ae

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

"Aa" · 2 letters · shape VV  ·  "ae" · 2 letters · shape VV

Frequently Asked Questions

Do "Aa" and "ae" mean the same thing in a sentence?
No - they are not even the same part of speech. "Aa" is a name and "ae" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "Aa" or "ae" show up more?
"Aa" is the more common of the two: it sits at frequency rank #12,704 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 "Aa" vs "ae" is on the table, pick a follow-up below.

  • Full dictionary entry for "Aa" 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 #289,439 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Aa" and "ae" also get mixed up with nearby pairs, the highest-scored neighbour is "ae vs aves". Nearby pair

Confusion rank #289,439 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