ceravscuroTell them apart

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

Which to use

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

#9,952
“cera” frequency rank
#47,690
“curo” frequency rank
57642
confusion score

Side-by-Side Comparison

Feature cera curo
Definition 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. Primera persona del singular (yo) del presente de indicativo de curar o de curarse.

Where the eye mixes cera and curo

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
cera
4 ch
curo

Look-alike desk: cera vs curo

These two trip readers on the page rather than in the ear: cera is [ˈseɾa] while curo is [ˈkuɾo]. 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 57642, derived from the frequency rank of both members and their visual similarity.

cera is recorded at frequency rank #9,952, classified as anoun, pronounced [ˈseɾa]. curo is at rank #47,690, tagged as averb, pronounced [ˈkuɾo].

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 57642, this pair ranks #69,677 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of cera vs curo

Shared letters: cr. Private to "cera": ae. Private to "curo": ou.

"cera" · 4 letters · shape CVCV  ·  "curo" · 4 letters · shape CVCV

Known mistypes of this pair

  • ceraccera · cerra · ecra
  • curoccuro · cruo · cuor · ucro

Frequently Asked Questions

Is swapping "cera" for "curo" ever safe?
No - they are not even the same part of speech. "cera" is a noun and "curo" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "cera" vs "curo" - which ranks higher?
"cera" is the more common of the two: it sits at frequency rank #9,952 in our Spanish list, against #47,690 for "curo". 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 "cera" and "curo" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "cera" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "curo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #69,677 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "cera" and "curo" also get mixed up with nearby pairs, the highest-scored neighbour is "cuc vs curo". 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 #69,677 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list