completeness
"completeness" is a 12-letter English headword indexed on PlainSpell.
The verdict
“completeness” is a moderately-common English word, ranked #24,415 in English word frequency and used as a noun.
- #24,415
- frequency rank, English
- 12
- letters
- 17
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The state or condition of being complete.
| Property | Value |
|---|---|
| Headword | completeness |
| Language | English |
| Part of speech | Noun |
| Letters | 12 |
| Frequency rank | #24,415 |
| Misspellings tracked | 17 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “completeness” sits in English frequency
Spelling & Dictionary Insight
The English entry for completeness is 12 letters long, classified as a noun. Corpus data places it at rank #24,415 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 17 likely wrong-spelling variants for completeness, with forms such as "ccompleteness", "cmopleteness", and "comlpeteness". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From complete + -ness. The correct English form is completeness, spelled C-O-M-P-L-E-T-E-N-E-S-S.
Definition
- 1The state or condition of being complete.
- 2The property of a logical theory that whenever a wff is valid then it must also be a theorem. Symbolically, letting T represent a theory within logic L, this can be represented as the property that whenever T⊨ϕ is true, then T⊢ϕ must also be true, for any wff φ of logic L.
Etymology
From complete + -ness.
Synonyms
This word in other languages
Common misspellings
Also misspelled as: ccompleteness,cmopleteness,comlpeteness,commpleteness,compelteness,compleetness,completeenss,completenes,completenness,completenses,completneess,completteness,complleteness,complteeness,comppleteness,copmleteness,ocmpleteness
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of completeness - 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.
Frequently Asked Questions
How do you spell "completeness"?
What does "completeness" mean?
What are common misspellings of "completeness"?
What is the origin of the word "completeness"?
Is PlainSpell free to use?
Using “completeness”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-O-M-P-L-E-T-E-N-E-S-S - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
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.