coolvscooledTell them apart

Which to use

“cool” and “cooled” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#731
“cool” frequency rank
#12,213
“cooled” frequency rank
12944
confusion score

Side-by-Side Comparison

Feature cool cooled
Definition Of a mildly low temperature. Brought to a lower temperature.

Where the eye mixes cool and cooled

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
cool
6 ch
cooled

Why the eye confuses cool with cooled

A purely visual mix-up. cool (/kuːl/) and cooled (/kuːld/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “cool” sits inside “cooled”. Our composite confusion score for this pair is 12944, derived from the frequency rank of both members and their visual similarity.

cool is recorded at frequency rank #731, classified as anadj, pronounced /kuːl/. cooled is at rank #12,213, tagged as anadj, pronounced /kuːld/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 12944, this pair ranks #478,627 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cool vs cooled

Shared letters: clo. Private to "cool": -. Private to "cooled": de.

"cool" · 4 letters · shape CVVC  ·  "cooled" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • coolccool · cooll · ocol
  • cooledccooled · coled · coloed · cooeld · coolde · cooledd · coolled · ocoled

Frequently Asked Questions

Is swapping "cool" for "cooled" ever safe?
No. They are said differently (/kuːl/ versus /kuːld/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "cool" or "cooled"?
"cool" is the more common of the two: it sits at frequency rank #731 in our English list, against #12,213 for "cooled". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "cool" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cooled" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #478,627 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "cool" and "cooled" also get mixed up with nearby pairs, the highest-scored neighbour is "celled vs cooled". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #478,627 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list