AO3
/ˌeɪ əʊ ˈθɹiː/
"ao3" is a 2-letter English headword indexed on PlainSpell.
The verdict
“AO3” is uncommon English (frequency #80,194 among 3,931 “A” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #80,194
- frequency rank, English
- 3,931
- “A” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Abbreviation of Archive of Our Own.
Corpus desk
Index EN-ao3 · AO3 · English
AO3 · rank #80,194 · 0 variants · 0 confusables
- FREQ-RARE #80,194
- LEN-MID 3 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH Apus
Nearest frequency peer: Apus (+1 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Long-tail ranks near “AO3”
Sparse band: bars invert rank so rarer forms read shorter
- Ankit
Ankit
19,811 corpus weight
- antihyperte…
antihypertensive
19,810 corpus weight
- AO3
AO3
19,807 corpus weight
- Apus
Apus
19,806 corpus weight
- Aras
Aras
19,805 corpus weight
- Arecibo
Arecibo
19,804 corpus weight
What this shows Long-tail view: where “AO3” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | AO3 |
| Language | English |
| Part of speech | Proper noun |
| IPA | /ˌeɪ əʊ ˈθɹiː/ |
| Letters | 3 |
| Frequency rank | #80,194 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “AO3” in English
Rare enough to double-check
AO3 is uncommon English at frequency #80,194 among 3,931 “A” headwords, classed as aproper noun, transcribed /ˌeɪ əʊ ˈθɹiː/. Rarity is why readers land here mid-draft. Gloss: "Abbreviation of Archive of Our Own.".
We couldn't generate a plausible misspelling set for AO3, a sign its spelling follows regular English conventions. No confusable counterpart is on file for this word, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: Shortening of the standard acronym of Archive of Our Own (AOOO) to account for the three consecutive Os. The correct English form is AO3, spelled A-O-3.
Definition
- 1Abbreviation of Archive of Our Own.
Recorded use
Wiktionary examplesThese source excerpts show how AO3 appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
LiveJournal and AO3 rely largely on tags, whilst Fanfiction.net has genre and character filters as well as a keyword search.
The effect of Tumblr's ephemeral timescape was further exacerbated by many Hockey RPF fans' decision to delete works from the AO3.
Etymology
Shortening of the standard acronym of Archive of Our Own (AOOO) to account for the three consecutive Os.
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 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "AO3", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).