Which to use
“cooler” is a noun and “coolly” is an adverb - they look or sound alike but fill different roles in a sentence.
- #7,548
- “cooler” frequency rank
- #43,577
- “coolly” frequency rank
- 51125
- confusion score
Side-by-Side Comparison
| Feature | cooler | coolly |
|---|---|---|
| Definition | Anything which cools. | At a moderately low temperature. |
Where the spellings diverge
Shared letters are muted; the letters that actually set cooler and coolly apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: cooler is /ˈkuː.lə(ɹ)/ while coolly is /ˈkuːl.li/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 51125, derived from the frequency rank of both members and their visual similarity.
cooler is recorded at frequency rank #7,548, classified as anoun, pronounced /ˈkuː.lə(ɹ)/. coolly is at rank #43,577, tagged as anadv, pronounced /ˈkuːl.li/.
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 51125, this pair ranks #168,150 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cooler vs coolly
Shared letters: clo. Private to "cooler": er. Private to "coolly": y.
"cooler" · 6 letters · shape CVVCVC · "coolly" · 6 letters · shape CVVCCV
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "cooler" and "coolly" be used interchangeably?
Which is more common, "cooler" or "coolly"?
Remembering cooler vs coolly
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “cooler”; for an adverb, it's “coolly”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “cooler” entry
- Browse more pairs most likely to be confused. Most confusable