Aa
The verdict
“Aa” is a moderately-common French word, ranked #12,704 in French word frequency and used as a proper noun.
- #12,704
- frequency rank, French
- 2
- letters
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Abréviation standard du mycologue néerlandais Hubertus Antonius van der Aa.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | Aa |
| Language | French |
| Part of speech | Proper noun |
| Letters | 2 |
| Frequency rank | #12,704 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “Aa” sits in French frequency
Spelling & Dictionary Insight
The French entry for Aa is 2 letters long, classified as a proper noun. Corpus data places it at rank #12,704 in overall French word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Abréviation standard du mycologue néerlandais Hubertus Antonius van der Aa.".
Aa has no tracked misspelling variants, which points to an orthography that plays by predictable French rules. It also participates in 20 confusable-pair relationships, "au", "As", "an", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
This headword's origin isn't recorded in our source data, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct French form is Aa, spelled A-A.
Definition
- 1Abréviation standard du mycologue néerlandais Hubertus Antonius van der Aa.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “Aa”
The practical upshot for anyone who landed here from a spell-check.
- The one correct French spelling is A-A - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “au” - see the side-by-side comparison. Aa vs au
- Browse more French words and confusable pairs in the same reference. French words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.