aa
Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.
Letters
2 characters
Language
English
word origin
Source
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Detailed reference entry for the English word "aa", 2-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Hunspell error dictionaries, and usage frequency ranked against the top 100,000 English words in the Wordfreq corpus. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "aa" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "aa" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.
AA is aEnglishnoun. It means: A member of Alcoholics Anonymous. It ranks #6,979 in English word frequency. Often confused with as and at.
| Property | Value |
|---|---|
| Headword | AA |
| Language | English |
| Part of speech | Noun |
| Letters | 2 |
| Frequency rank | #6,979 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Frequency rank visualization
Spelling & Dictionary Insight
The English entry for AA is 2 letters long, classified as anoun. Corpus data places it at rank #6,979 in overall English word frequency, indicating it appears regularly in written and spoken text.Wiktionary records 72 distinct senses for this headword, so context determines which meaning a reader should apply.
No frequent misspelling variants are recorded for AA in our index, suggesting the orthography either follows predictable English patterns or the word is uncommon enough that typo corpora lack signal.It also participates in 20 confusable-pair relationships, "as", "at", "an", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: Abbreviations. Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is AA, spelled A-A, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.
Definition
- 1A member of Alcoholics Anonymous.
- 2An AA battery (energy-storage device).
- 3Initialism of affirmative action.
- 4Initialism of air armament.
- 5Initialism of air attaché.
- 6Initialism of aircraft apprentice.
- 7Initialism of aircraft artificer.
- 8Initialism of absolute altitude.
- 9Initialism of anti-aircraft.
- 10Initialism of avenue of approach.
- 11Initialism of assembly area.
- 12Initialism of airman apprentice.
- 13Initialism of absolute alcohol.
- 14Initialism of achievement age.
- 15Initialism of acting appointment.
- 16Initialism of adoption agency.
- 17Initialism of armament artificer.
- 18Initialism of athletic association.
- 19Initialism of author's alteration.
- 20Initialism of aviation annex.
- 21Initialism of angular aperture.
- 22Initialism of amino acid.
- 23Initialism of aminoacyl.
- 24Initialism of acetic acid.
- 25Initialism of acrylic acid.
- 26Initialism of amyloid A.
- 27Initialism of arachidonic acid.
- 28Initialism of ascorbic acid.
- 29Initialism of asymmetric aminohydroxylation.
- 30Initialism of acetaldehyde adduct.
- 31Initialism of adrenal androgen.
- 32Initialism of antiandrogen.
- 33Initialism of antioxidant activity.
- 34Initialism of atomic absorption.
- 35Initialism of activated alumina.
- 36Initialism of anti-antibody.
- 37Initialism of ascending aorta.
- 38Initialism of abdominal aorta.
- 39Initialism of aortic arch.
- 40Initialism of acute appendicitis.
- 41Initialism of allergic asthma.
- 42Initialism of alopecia areata.
- 43Initialism of anaplastic astrocytoma.
- 44Initialism of anastomotic aneurysm.
- 45Initialism of aortic aneurysm.
- 46Initialism of aplastic anemia.
- 47Initialism of arterial aneurysm.
- 48Initialism of arytenoid adduction.
- 49Initialism of anesthesiologist assistant.
- 50Initialism of anesthesia assistant.
- 51Initialism of antialiasing.
- 52Initialism of African-American.
- 53Initialism of Asian-African.
- 54Initialism of Asian American.
- 55Initialism of administrative assistant.
- 56Initialism of associate administrator.
- 57Initialism of assistant adjutant.
- 58Initialism of academic adviser.
- 59Initialism of Associate in Arts or Associate of Arts.
- 60Initialism of appropriate authority.
- 61Initialism of appropriate adult.
- 62Initialism of account aggregator.
- 63Initialism of appointed actuary.
- 64Initialism of approximate absolute.
- 65Initialism of arithmetic average.
- 66Initialism of Association Agreement: a treaty between the European Union, its member states and a non-EU country that creates a framework for cooperation between them.
- 67Initialism of against actual.
- 68Initialism of approach anxiety.
- 69Initialism of agent assistant; an assistant of a real estate agent.
- 70Initialism of annual allowance.
- 71Abbreviation of all-around.
- 72Initialism of average audience.
Etymology
Abbreviations.
Frequency rank: #6,979 in English
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Nearby English words
Other entries that begin with the letter A in our English index: