coolvscroWhich spelling fits?

Quick tell: cool is a adjective, cro is a noun, so they fill different roles in a sentence.

Which to use

“cool” is an adjective and “cro” is a noun - they look or sound alike but fill different roles in a sentence.

#1,159
“cool” frequency rank
#33,629
“cro” frequency rank
34788
confusion score

Side-by-Side Comparison

Feature cool cro
Definition Calme, détendu, qui n’est pas du genre à s’angoisser ni à s’énerver (en parlant d’une personne). (Toronto) Camarade.

Where the eye mixes cool and cro

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
cool
3 ch
cro

Look-alike desk: cool vs cro

These two trip readers on the page rather than in the ear: cool is \kul\ while cro is \kɹəʊ\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 34788, derived from the frequency rank of both members and their visual similarity.

cool is recorded at frequency rank #1,159, classified as anadj, pronounced \kul\. cro is at rank #33,629, tagged as anoun, pronounced \kɹəʊ\.

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 34788, this pair ranks #281,373 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cool vs cro

Shared letters: co. Private to "cool": l. Private to "cro": r.

"cool" · 4 letters · shape CVVC  ·  "cro" · 3 letters · shape CCV

Known mistypes of this pair

  • coolccool · cooll · ocol

Frequently Asked Questions

Do "cool" and "cro" mean the same thing in a sentence?
No - they are not even the same part of speech. "cool" is an adjective and "cro" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "cool" vs "cro" - which ranks higher?
"cool" is the more common of the two: it sits at frequency rank #1,159 in our French list, against #33,629 for "cro". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "cool" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #281,373 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cool" and "cro" also get mixed up with nearby pairs, the highest-scored neighbour is "ciro vs cro". 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 #281,373 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list