cosavscuraWhich spelling fits?

Quick tell: cosa is a noun, cura is a verb, so they fill different roles in a sentence.

Which to use

“cosa” is a noun and “cura” is a verb - they look or sound alike but fill different roles in a sentence.

#46,679
“cosa” frequency rank
#46,093
“cura” frequency rank
92772
confusion score

Side-by-Side Comparison

Feature cosa cura
Definition Variante du IXᵉ siècle de chose. Troisième personne du singulier du passé simple de curer.

Where the eye mixes cosa and cura

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

4 ch
cosa
4 ch
cura

Look-alike desk: cosa vs cura

These two trip readers on the page rather than in the ear: cosa is \ˈkɔza ~ˈkɔzə\ while cura is \ky.ʁa\. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 92772, 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\. cura is at rank #46,093, tagged as averb, pronounced \ky.ʁa\.

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 92772, this pair ranks #2,759 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of cosa vs cura

Shared letters: ac. Private to "cosa": os. Private to "cura": ru.

"cosa" · 4 letters · shape CVCV  ·  "cura" · 4 letters · shape CVCV

Known mistypes of this pair

  • cosa ← ccosa · coas · cossa · csoa · ocsa
  • cura ← ccura · cuar · curra · ucra

Frequently Asked Questions

Can "cosa" and "cura" be used interchangeably?
No - they are not even the same part of speech. "cosa" is a noun and "cura" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "cosa" or "cura" show up more?
"cura" is the more common of the two: it sits at frequency rank #46,093 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.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "cosa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cura" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #2,759 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cosa" and "cura" 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 #2,759 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