coolness

/ˈkuːlnəs/

//ˈkuːlnəs// noun

"coolness" is a 8-letter English headword indexed on PlainSpell.

The verdict

“coolness” has 10 generated spelling variants in the English index at frequency #36,092. The variants make it a useful spelling check.

#36,092
frequency rank, English
5,599
“C” headwords
10
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Moderate chilliness.

Corpus desk

Index EN-coolness · coolness · English

coolness · rank #36,092 · 10 variants · 1 confusable

  • FREQ-MID #36,092
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 1 pairs
  • VAR-MID 10 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH Coughlin

Nearest frequency peer: Coughlin (+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.

Rank peers near misspelling magnet “coolness”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “coolness” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

coolness vs coldness
75% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for coolness
PropertyValue
Headwordcoolness
LanguageEnglish
Part of speechNoun
IPA/ˈkuːlnəs/
Letters8
Frequency rank#36,092
Misspellings tracked10
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “coolness”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).coolnesslands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “Coughlin” (#36,093), “contraption” (#36,090), “covertly” (#36,094). Among 5,599 “C” headwords, “coolness” is #36,092. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 10 spelling variants around coolness (IPA /ˈkuːlnəs/), anoun. Corpus frequency is #36,092 among 5,599 “C” headwords. Wiktionary lists 5 senses, so context still picks the gloss.

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

  1. 1
    Moderate chilliness.
  2. 2
    Calmness, confidence, or level-headedness.
  3. 3
    Conflict or hostility or an instance of such that stands in contrast to expected friendliness or interest.
  4. 4
    Indifference or an instance of indifference; lack of friendliness or interest not necessarily rising to hostility.
  5. 5
    Social advantage or enviability, typically due to traits like popularity, confidence, skill, or fashion.

Recorded use

Wiktionary examples

These source excerpts show how coolness appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. I know a place of all sweet coolnesses; / a little island, like an emerald, set / in the clear argent of a river, that is / Itself a shining net
  2. Surely there is between human kind and trees a kinship immemorial, antedating the fret and fever of the nerves, bringing old coolnesses to serve as refuge, making us know the time when spring was no torment, autumn no regret.

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.

ccoolness1colness1coloness2coolenss2coollness1coolnes1coolnness1coolnses2
Edit distance from "coolness"

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"?
"coolness" is spelled C-O-O-L-N-E-S-S. The IPA pronunciation is /ˈkuːlnəs/.
What does "coolness" mean?
As a noun, "coolness" means: Moderate chilliness.
What words are commonly confused with "coolness"?
"coolness" is commonly confused with "coldness". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "coolness"?
The IPA (International Phonetic Alphabet) transcription for "coolness" is /ˈkuːlnəs/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "coolness"?
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, coolnes... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "coolness", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (10 here; floor ≥5).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list