AKI
"aki" is a 3-letter English headword indexed on PlainSpell.
The verdict
“AKI” sits in 20 confusable pairs (corpus #33,506) as a noun. The look-alike neighbours are the real trap.
- #33,506
- frequency rank, English
- 3,931
- “A” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of acute kidney injury.
Corpus desk
Index EN-aki · AKI · English
AKI · rank #33,506 · 0 variants · 20 confusables
- FREQ-MID #33,506
- LEN-MID 3 letters
- VOW-2 2 vowels
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH airship
Nearest frequency peer: airship (-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.
Frequency neighbours of confusable “AKI”
Peers at similar corpus weight, separate from look-alike pairs below
- aida
aida
66,499 corpus weight
- airbag
airbag
66,498 corpus weight
- airman
airman
66,497 corpus weight
- airship
airship
66,496 corpus weight
- AKI
AKI
66,495 corpus weight
- alligators
alligators
66,493 corpus weight
What this shows Bars place “AKI” against nearest ranked English headwords, not a reprint of the confusable-pair desk.
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 | AKI |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #33,506 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “AKI”
Easy to mix with look-alikes
The spelling risk for AKI is neighbouring look-alikes ("as", "at", …), not just typos; it is anoun. Frequency #33,506 among 3,931 “A” headwords. 2 recorded senses keep meaning in play.
No misspelling variants are generated for AKI in our index, a sign its spelling follows regular English conventions. It also participates in 20 confusable-pair relationships, "as", "at", "an", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Wiktionary doesn't record an etymology for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is AKI, spelled A-K-I.
Definition
- 1Initialism of acute kidney injury.
- 2Abbreviation of anti-knock index.
Recorded use
Wiktionary examplesThese source excerpts show how AKI appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Near-synonyms: AKF, ARF
A single episode of AKI as defined by RIFLE criteria has been found to be associated with long-term mortality in proportion to severity of the insult.
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 "AKI", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).