AA

abbrev

The verdict

“AA” is a moderately-common German word, ranked #10,989 in German word frequency and used as an abbreviation.

#10,989
frequency rank, German
2
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Advertising Association

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

AA vs an
0% similar
AA vs am
0% similar
AA vs ab
0% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for AA
PropertyValue
HeadwordAA
LanguageGerman
Part of speechAbbreviation
Letters2
Frequency rank#10,989
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “AA” sits in German frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). AA lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The German entry for AA is 2 letters long, classified as an abbreviation. Corpus data places it at rank #10,989 in overall German word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 18 distinct senses for this headword, so context determines which meaning a reader should apply.

No generated misspelling entries exist for AA in our index, a straightforward case of a spelling with little room for common typos. It also participates in 20 confusable-pair relationships, "an", "am", "ab", and more, where similar look or sound leads writers to substitute one word for another in context.

No explicit etymology string is stored for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct German form is AA, spelled A-A.

Definition

  1. 1
    Advertising Association
  2. 2
    Aerolineas Argentinas (argentinische Luftfahrtgesellschaft)
  3. 3
    American Airlines (amerikanische Luftfahrtgesellschaft)
  4. 4
    Anonyme Alkoholiker
  5. 5
    Arbeitsamt (in Deutschland heute: Amt für Arbeit, Agentur für Arbeit)
  6. 6
    Arbeitsanteil
  7. 7
    Arbeitsanweisung
  8. 8
    Arbeitsausschuss
  9. 9
    Assistenzarzt/Assistenzärztin, Assistenzärzte/Assistenzärztinnen
  10. 10
    Aufgabeart
  11. 11
    Augustiniani ab Assumptione (katholischer Orden der Assumptionisten)
  12. 12
    Ausbildungsabteilung
  13. 13
    Auslandsabteilung
  14. 14
    Auswärtiges Amt
  15. 15
    Kraftfahrzeugkennzeichen für Aalen, Ostalbkreis
  16. 16
    durch ANSI (American National Standardization Institute) vorgegebene Abkürzung für die Baugröße Mignon bei Batterien.
  17. 17
    Auf Anordnung, in Deutschland oft unter behördlichen Schreiben, statt dem in der Wirtschaft üblichen i. A. = im Auftrag
  18. 18
    Amtsanwaltschaft

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 German corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "AA"?
"AA" is spelled A-A.
What does "AA" mean?
As an abbreviation, "AA" means: Advertising Association
What words are commonly confused with "AA"?
"AA" is commonly confused with "an", "am", "ab". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "AA" come from?
"AA" is a German word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “AA”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct German spelling is A-A - every other letter order is a misspelling in standard orthography.
  • Don't mix it up with “an” - see the side-by-side comparison. AA vs an
  • Browse more German words and confusable pairs in the same reference. German 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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list