colivscoolsTell them apart

Quick tell: coli is a noun, cools is an adjective, so they fill different roles in a sentence.

Which to use

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

#34,028
“coli” frequency rank
#22,813
“cools” frequency rank
56841
confusion score

Side-by-Side Comparison

Feature coli cools
Definition Escherichia coli ou E. coli ou colibacille. Masculin (et parfois féminin) pluriel de cool.

Where the eye mixes coli and cools

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
coli
5 ch
cools

Visual trap between coli and cools

These two trip readers on the page rather than in the ear: coli is \kɔ.li\ while cools is \kul\. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 56841, derived from the frequency rank of both members and their visual similarity.

coli is recorded at frequency rank #34,028, classified as anoun, pronounced \kɔ.li\. cools is at rank #22,813, tagged as anadj, pronounced \kul\.

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 56841, this pair ranks #118,588 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of coli vs cools

Shared letters: clo. Private to "coli": i. Private to "cools": s.

"coli" · 4 letters · shape CVCV  ·  "cools" · 5 letters · shape CVVCC

Known mistypes of this pair

  • coliccoli · coil · colli · ocli
  • coolsccools · colos · coolls · coolss · coosl · ocols

Frequently Asked Questions

Do "coli" and "cools" mean the same thing in a sentence?
No - they are not even the same part of speech. "coli" is a noun and "cools" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "coli" vs "cools" - which ranks higher?
"cools" is the more common of the two: it sits at frequency rank #22,813 in our French list, against #34,028 for "coli". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "coli" 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 #118,588 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "coli" and "cools" also get mixed up with nearby pairs, the highest-scored neighbour is "coli vs coon". 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 #118,588 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