cosavsCSMConfusable pair

Which to use

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

#46,679
“cosa” frequency rank
#39,735
“CSM” frequency rank
86414
confusion score

Side-by-Side Comparison

Feature cosa CSM
Definition Variante du IXᵉ siècle de chose. Centre de commutation du service des mobiles.

Where the eye mixes cosa and CSM

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. cosa runs 4 letters (CVCV) against CSM's 3 (CCC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
cosa
3 ch
CSM

Look-alike desk: cosa vs CSM

A purely visual mix-up. cosa (\ˈkɔza ~ˈkɔzə\) and CSM (\se.es.em\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 86414, derived from the frequency rank of both members and their visual similarity.

cosa is recorded at frequency rank #46,679, classified as anoun, pronounced \ˈkɔza ~ˈkɔzə\. CSM is at rank #39,735, tagged as anoun, pronounced \se.es.em\.

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 86414, this pair ranks #9,732 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of cosa vs CSM

Shared letters: cs. Private to "cosa": ao. Private to "CSM": m.

"cosa" · 4 letters · shape CVCV  ·  "CSM" · 3 letters · shape CCC

Known mistypes of this pair

  • cosa ← ccosa · coas · cossa · csoa · ocsa

Frequently Asked Questions

Can "cosa" and "CSM" be used interchangeably?
No. They are said differently (\ˈkɔza ~ˈkɔzə\ versus \se.es.em\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "cosa" vs "CSM" - which ranks higher?
"CSM" is the more common of the two: it sits at frequency rank #39,735 in our French list, against #46,679 for "cosa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "cosa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "CSM" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #9,732 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cosa" and "CSM" also get mixed up with nearby pairs, the highest-scored neighbour is "cosa vs coupa". 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 #9,732 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