ASIO
/ˈeɪʒoʊ/
"asio" is a 4-letter English headword indexed on PlainSpell.
The verdict
“ASIO” is uncommon English (frequency #59,202 among 3,931 “A” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #59,202
- frequency rank, English
- 3,931
- “A” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Acronym of Audio Stream Input/Output.
Corpus desk
Index EN-asio · ASIO · English
ASIO · rank #59,202 · 0 variants · 0 confusables
- FREQ-RARE #59,202
- LEN-MID 4 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH ascorbic
Nearest frequency peer: ascorbic (-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 “ASIO”
Sparse band: bars invert rank so rarer forms read shorter
- Arrington
Arrington
40,804 corpus weight
- arvo
arvo
40,802 corpus weight
- asceticism
asceticism
40,801 corpus weight
- ascorbic
ascorbic
40,800 corpus weight
- ASIO
ASIO
40,799 corpus weight
- ATG
ATG
40,795 corpus weight
What this shows Long-tail view: where “ASIO” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | ASIO |
| Language | English |
| Part of speech | Proper noun |
| IPA | /ˈeɪʒoʊ/ |
| Letters | 4 |
| Frequency rank | #59,202 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “ASIO” in English
Rare enough to double-check
ASIO is uncommon English at frequency #59,202 among 3,931 “A” headwords, classed as aproper noun, transcribed /ˈeɪʒoʊ/. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for ASIO, since its letter sequence doesn't invite the usual edit-distance slips. This headword has no recorded confusable partner, since no other headword is close enough in sound or shape to pair with it.
No explicit etymology string is stored for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is ASIO, spelled A-S-I-O.
Definition
- 1Acronym of Audio Stream Input/Output.
- 2Acronym of Australian Security Intelligence Organisation.
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 "ASIO", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 4 letters (nearest by frequency rank).