sac
/sæk/
"sac" is a 3-letter English headword indexed on PlainSpell.
The verdict
“sac” sits in 20 confusable pairs (corpus #11,789) as a noun. The look-alike neighbours are the real trap.
- #11,789
- frequency rank, English
- 6,566
- “S” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 2, 2026) - A bag or pouch inside a plant or animal that typically contains a fluid.
Corpus desk
Index EN-sac · sac · English
sac · rank #11,789 · 0 variants · 20 confusables
- FREQ-MID #11,789
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-DENSE 6,566
- PHOTO-FINISH RP
Nearest frequency peer: RP (-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 neighbourhood for “sac”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- Rodney
Rodney
88,214 corpus weight
- RP
RP
88,213 corpus weight
- sac
sac
88,212 corpus weight
- sacrificed
sacrificed
88,211 corpus weight
- sane
sane
88,210 corpus weight
- savior
savior
88,209 corpus weight
What this shows Bars show where “sac” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
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 | sac |
| Language | English |
| Part of speech | Noun |
| IPA | /sæk/ |
| Letters | 3 |
| Frequency rank | #11,789 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “sac” sits in English frequency
Easy to mix with look-alikes
The spelling risk for sac is neighbouring look-alikes ("so", "se", …), not just typos; it is anoun pronounced /sæk/. Frequency #11,789 among 6,566 “S” headwords. Gloss: "A bag or pouch inside a plant or animal that typically contains a fluid.".
sac has no tracked misspelling variants, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 20 confusable-pair relationships, "so", "se", "SC", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: Borrowed from French sac. Doublet of saccus, sack, saco, and sakkos. The correct English form is sac, spelled S-A-C.
Definition
- 1A bag or pouch inside a plant or animal that typically contains a fluid.
Etymology
Borrowed from French sac. Doublet of saccus, sack, saco, and sakkos.
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 2, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "sac", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.