coolness
/ˈkuːlnəs/
"coolness" is a 8-letter English headword indexed on PlainSpell.
The verdict
“coolness” is a moderately-common English word, ranked #36,092 in English word frequency and used as a noun.
- #36,092
- frequency rank, English
- 8
- letters
- 10
- tracked misspellings
- 1
- confusable pair
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Moderate chilliness.
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 | coolness |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈkuːlnəs/ |
| Letters | 8 |
| Frequency rank | #36,092 |
| Misspellings tracked | 10 |
| Confusable pairs | 1 |
| Source | Wiktionary (kaikki.org) |
Where “coolness” sits in English frequency
Spelling & Dictionary Insight
The English entry for coolness is 8 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈkuːlnəs/. Corpus data places it at rank #36,092 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 10 likely wrong-spelling variants for coolness, with forms such as "ccoolness", "colness", and "coloness". 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. It also participates in 1 confusable-pair relationship, "coldness", since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: From Middle English colnes, colnesse, from Old English cōlnes, cœ̄lnes, cēlnes (“coolness; cool air, breeze”), from Proto-West Germanic *kōlinassī, equivalent to cool + -ness. Cognate with Middle High German kuolnisse, küelnisse (“cooling, coolness”). The correct English form is coolness, spelled C-O-O-L-N-E-S-S.
Definition
- 1Moderate chilliness.
- 2Calmness, confidence, or level-headedness.
- 3Conflict or hostility or an instance of such that stands in contrast to expected friendliness or interest.
- 4Indifference or an instance of indifference; lack of friendliness or interest not necessarily rising to hostility.
- 5Social advantage or enviability, typically due to traits like popularity, confidence, skill, or fashion.
Etymology
From Middle English colnes, colnesse, from Old English cōlnes, cœ̄lnes, cēlnes (“coolness; cool air, breeze”), from Proto-West Germanic *kōlinassī, equivalent to cool + -ness. Cognate with Middle High German kuolnisse, küelnisse (“cooling, coolness”).
This word in other languages
Common misspellings
Also misspelled as: ccoolness,colness,coloness,coolenss,coollness,coolnes,coolnness,coolnses,coonless,ocolness
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of coolness - 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 "coolness"?
What does "coolness" mean?
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Using “coolness”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-O-O-L-N-E-S-S - every other letter order is a misspelling in standard orthography.
- Say it as /ˈkuːlnəs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “coldness” - see the side-by-side comparison. coolness vs coldness
- 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.