sufficiency
"sufficiency" is a 11-letter English headword indexed on PlainSpell.
The verdict
“sufficiency” has 15 generated spelling variants in the English index at frequency #28,039. The variants make it a useful spelling check.
- #28,039
- frequency rank, English
- 6,566
- “S” headwords
- 15
- tracked misspellings
- 2
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 2, 2026) - The quality or condition of being sufficient.
Corpus desk
Index EN-sufficiency · sufficiency · English
sufficiency · rank #28,039 · 15 variants · 2 confusables
- FREQ-MID #28,039
- LEN-MEGA 11 letters
- VOW-5 5 vowels
- CONFUS-LOW 2 pairs
- VAR-HIGH 15 variants
- BOOK-DENSE 6,566
- PHOTO-FINISH subversion
Nearest frequency peer: subversion (-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 “sufficiency”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- stuffy
stuffy
71,966 corpus weight
- subversion
subversion
71,963 corpus weight
- sufficiency
sufficiency
71,962 corpus weight
- Sui
Sui
71,961 corpus weight
- Sumatra
Sumatra
71,959 corpus weight
- SUVs
SUVs
71,958 corpus weight
What this shows Bars show where “sufficiency” 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 | sufficiency |
| Language | English |
| Part of speech | Noun |
| Letters | 11 |
| Frequency rank | #28,039 |
| Misspellings tracked | 15 |
| Confusable pairs | 2 |
| Source | Wiktionary (kaikki.org) |
Where “sufficiency” sits in English frequency
A misspelling magnet
The generator records 15 spelling variants around sufficiency, anoun. Corpus frequency is #28,039 among 6,566 “S” headwords. Wiktionary lists 2 senses, so context still picks the gloss.
Our generated misspelling index lists 15 likely wrong-spelling variants for sufficiency, with forms such as "sfuficiency", "ssufficiency", and "suffciiency". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 2 confusable-pair relationships, "sufficient", "sufficiently", where similar look or sound leads writers to substitute one word for another in context.
No documented word history exists for this headword, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is sufficiency, spelled S-U-F-F-I-C-I-E-N-C-Y.
Definition
- 1The quality or condition of being sufficient.
- 2An adequate amount.
Recorded use
Wiktionary exampleThese source excerpts show how sufficiency appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
But the Eastern front of the Allies was far more vulnerable. Russia could not begin to supply herself with a sufficiency of large guns and of heavy munitionment for them.
Synonyms
Antonyms
This word in other languages
Common misspellings
Also misspelled as:
- sfuficiency
- ssufficiency
- suffciiency
- sufficciency
- sufficeincy
- sufficiecny
- sufficienccy
- sufficiencyy
- sufficienncy
- sufficienyc
- sufficinecy
- suffiicency
- suficiency
- sufifciency
- usfficiency
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of sufficiency - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
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
How do you spell "sufficiency"?
What does "sufficiency" mean?
What words are commonly confused with "sufficiency"?
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "sufficiency", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency rank).
Similar misspelling depth
Headwords with a similar count of attested misspellings (15 here; floor ≥5).
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.