colivscosyTell them apart

Which to use

“coli” and “cosy” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#34,028
“coli” frequency rank
#41,722
“cosy” frequency rank
75750
confusion score

Side-by-Side Comparison

Feature coli cosy
Definition Escherichia coli ou E. coli ou colibacille. Enveloppe fourrée, généralement en tissu ouatiné, dont on couvre une théière, un plat ou un œuf, pour en conserver la chaleur.

Where the eye mixes coli and cosy

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. coli and cosy follow the identical consonant-vowel pattern (CVCV). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
coli
4 ch
cosy

Why the eye confuses coli with cosy

A purely visual mix-up. coli (\kɔ.li\) and cosy (\kɔ.zi\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 75750, 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\. cosy is at rank #41,722, tagged as anoun, pronounced \kɔ.zi\.

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 75750, this pair ranks #33,122 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of coli vs cosy

Shared letters: co. Private to "coli": il. Private to "cosy": sy.

"coli" · 4 letters · shape CVCV  ·  "cosy" · 4 letters · shape CVCV

Known mistypes of this pair

  • coli ← ccoli · coil · colli · ocli
  • cosy ← ccosy · cossy · cosyy · coys · csoy · ocsy

Frequently Asked Questions

Is swapping "coli" for "cosy" ever safe?
No. They are said differently (\kɔ.li\ versus \kɔ.zi\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "coli" or "cosy"?
"coli" is the more common of the two: it sits at frequency rank #34,028 in our French list, against #41,722 for "cosy". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "coli" and "cosy" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "coli" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cosy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #33,122 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "coli" and "cosy" also get mixed up with nearby pairs, the highest-scored neighbour is "coon vs cosy". 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 #33,122 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