Which to use
“caduca” is a noun and “caducado” is a verb - they look or sound alike but fill different roles in a sentence.
- #34,921
- “caduca” frequency rank
- #44,020
- “caducado” frequency rank
- 78941
- confusion score
Side-by-Side Comparison
| Feature | caduca | caducado |
|---|---|---|
| Definition | Epilepsia. | Participio de caducar. |
Where the eye mixes caduca and caducado
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. caduca runs 6 letters (CVCVCV) against caducado's 8 (CVCVCVCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: caduca vs caducado
These two trip readers on the page rather than in the ear: caduca is [kaˈð̞uka] while caducado is [kað̞uˈkað̞o]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “caduca” sits inside “caducado”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 78941, derived from the frequency rank of both members and their visual similarity.
caduca is recorded at frequency rank #34,921, classified as anoun, pronounced [kaˈð̞uka]. caducado is at rank #44,020, tagged as averb, pronounced [kað̞uˈkað̞o].
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 78941, this pair ranks #13,719 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of caduca vs caducado
Shared letters: acdu. Private to "caduca": -. Private to "caducado": o.
"caduca" · 6 letters · shape CVCVCV · "caducado" · 8 letters · shape CVCVCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "caduca" and "caducado" mean the same thing in a sentence?
In ordinary Spanish text, does "caduca" or "caducado" show up more?
Useful next steps
Eye-level mix-up between "caduca" and "caducado" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "caduca" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "caducado" - compare definitions side by side with the headword page. Word entry
- This pair ranks #13,719 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "caduca" and "caducado" also get mixed up with nearby pairs, the highest-scored neighbour is "caducado vs caduco". 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 #13,719 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.