Which to use
“casera” is an adjective and “cera” is a noun - they look or sound alike but fill different roles in a sentence.
- #13,405
- “casera” frequency rank
- #9,952
- “cera” frequency rank
- 23357
- confusion score
Side-by-Side Comparison
| Feature | casera | cera |
|---|---|---|
| Definition | Forma del femenino singular de casero. | Se llama así a cualquier éster de los ácidos grasos con alcoholes de peso molecular elevado, es decir, son moléculas que se obtienen por esterificación de un ácido graso con un alcohol monovalente lineal de cadena larga. Por ejemplo la cera de abeja. Son sustancias altamente insolubles en medios acuosos y a temperatura ambiente se presentan sólidas y duras. En los animales la podemos encontrar en la superficie del cuerpo, piel, plumas. En vegetales las ceras recubren en la epidermis de frutos, tallos, junto con la cutícula o la suberina, que evitan la pérdida de agua por evaporación en las plantas. |
Where the eye mixes casera and cera
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses casera with cera
These two trip readers on the page rather than in the ear: casera is [kaˈseɾa] while cera is [ˈseɾa]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 23357, derived from the frequency rank of both members and their visual similarity.
casera is recorded at frequency rank #13,405, classified as anadj, pronounced [kaˈseɾa]. cera is at rank #9,952, tagged as anoun, pronounced [ˈseɾa].
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 23357, this pair ranks #246,175 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of casera vs cera
Shared letters: acer. Private to "casera": s. Private to "cera": -.
"casera" · 6 letters · shape CVCVCV · "cera" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Can "casera" and "cera" be used interchangeably?
In ordinary Spanish text, does "casera" or "cera" show up more?
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 "casera" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cera" - compare definitions side by side with the headword page. Word entry
- This pair ranks #246,175 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "casera" and "cera" also get mixed up with nearby pairs, the highest-scored neighbour is "casera vs cederá". 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 #246,175 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.