Which to use
“coolly” is an adverb and “cools” is a verb - they look or sound alike but fill different roles in a sentence.
- #43,577
- “coolly” frequency rank
- #27,099
- “cools” frequency rank
- 70676
- confusion score
Side-by-Side Comparison
| Feature | coolly | cools |
|---|---|---|
| Definition | At a moderately low temperature. | third-person singular simple present indicative of cool |
Where the eye mixes coolly and cools
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between coolly and cools
These two trip readers on the page rather than in the ear: coolly is /ˈkuːl.li/ while cools is /kuːlz/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adverb vs verb), which is usually the fastest check. Our composite confusion score for this pair is 70676, derived from the frequency rank of both members and their visual similarity.
coolly is recorded at frequency rank #43,577, classified as anadv, pronounced /ˈkuːl.li/. cools is at rank #27,099, tagged as averb, pronounced /kuːlz/.
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 70676, this pair ranks #49,579 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of coolly vs cools
Shared letters: clo. Private to "coolly": y. Private to "cools": s.
"coolly" · 6 letters · shape CVVCCV · "cools" · 5 letters · shape CVVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "coolly" for "cools" ever safe?
In ordinary English text, does "coolly" or "cools" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "coolly" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cools" - compare definitions side by side with the headword page. Word entry
- This pair ranks #49,579 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "coolly" and "cools" also get mixed up with nearby pairs, the highest-scored neighbour is "Cally vs coolly". 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 #49,579 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.