ACL
"acl" is a 3-letter English headword indexed on PlainSpell.
The verdict
“ACL” sits in 20 confusable pairs (corpus #17,750) as a noun. The look-alike neighbours are the real trap.
- #17,750
- frequency rank, English
- 3,931
- “A” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of anterior cruciate ligament.
Corpus desk
Index EN-acl · ACL · English
ACL · rank #17,750 · 0 variants · 20 confusables
- FREQ-MID #17,750
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 3,931
- PHOTO-FINISH zhou
Nearest frequency peer: zhou (-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 “ACL”
Peers at similar corpus weight, separate from look-alike pairs below
- workings
workings
82,254 corpus weight
- zac
zac
82,253 corpus weight
- zhou
zhou
82,252 corpus weight
- ACL
ACL
82,251 corpus weight
- adhesive
adhesive
82,250 corpus weight
- Adolf
Adolf
82,249 corpus weight
What this shows Bars place “ACL” 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 | ACL |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #17,750 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “ACL”
Easy to mix with look-alikes
The spelling risk for ACL is neighbouring look-alikes ("as", "at", …), not just typos; it is anoun. Frequency #17,750 among 3,931 “A” headwords. 4 recorded senses keep meaning in play.
ACL has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. 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.
No documented word history exists for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct English form is ACL, spelled A-C-L.
Definition
- 1Initialism of anterior cruciate ligament.
- 2Initialism of anterior cruciate ligament.
- 3Initialism of access control list.
- 4Initialism of action-centered leadership.
Recorded use
Wiktionary examplesThese source excerpts show how ACL appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Mark Zuckerberg shares photos from the hospital after undergoing knee surgery for a torn ACL suffered during MMA training.
He's having a pretty good year, coming off of an ACL.
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 "ACL", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).