casasvscaserWhich spelling fits?

Which to use

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

#41,694
“casas” frequency rank
#22,196
“caser” frequency rank
63890
confusion score

Side-by-Side Comparison

Feature casas caser
Definition Deuxième personne du singulier du passé simple du verbe caser. Mettre dans une case.

Where the eye mixes casas and caser

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

5 ch
casas
5 ch
caser

Look-alike desk: casas vs caser

A purely visual mix-up. casas (\ka.za\) and caser (\kɑ.ze\) 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 63890, derived from the frequency rank of both members and their visual similarity.

casas is recorded at frequency rank #41,694, classified as averb, pronounced \ka.za\. caser is at rank #22,196, tagged as averb, pronounced \kɑ.ze\.

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 63890, this pair ranks #79,711 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of casas vs caser

Shared letters: acs. Private to "casas": -. Private to "caser": er.

"casas" · 5 letters · shape CVCVC  ·  "caser" · 5 letters · shape CVCVC

Known mistypes of this pair

  • casasacsas · caass · casass · cassas · ccasas · csaas
  • caseracser · caesr · caserr · casre · ccaser · csaer

Frequently Asked Questions

Can "casas" and "caser" be used interchangeably?
No. They are said differently (\ka.za\ versus \kɑ.ze\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "casas" vs "caser" - which ranks higher?
"caser" is the more common of the two: it sits at frequency rank #22,196 in our French list, against #41,694 for "casas". 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 "casas" and "caser" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "casas" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "caser" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #79,711 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "casas" and "caser" also get mixed up with nearby pairs, the highest-scored neighbour is "callas vs casas". 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 #79,711 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