Which to use
“caduco” is an adjective and “caucho” is a noun - they look or sound alike but fill different roles in a sentence.
- #47,617
- “caduco” frequency rank
- #14,785
- “caucho” frequency rank
- 62402
- confusion score
Side-by-Side Comparison
| Feature | caduco | caucho |
|---|---|---|
| Definition | Decrépito, muy anciano. | Emulsión lechosa que surge en la savia de varias plantas o producida sintéticamente que constituye un polímero elástico, cis -1,4-polisopreno, polímero del isopreno o 2 metilbutadieno. |
Where the eye mixes caduco and caucho
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. caduco (CVCVCV) and caucho (CVVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Why the eye confuses caduco with caucho
These two trip readers on the page rather than in the ear: caduco is [kaˈð̞uko] while caucho is [ˈkawt͡ʃo]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 62402, derived from the frequency rank of both members and their visual similarity.
caduco is recorded at frequency rank #47,617, classified as anadj, pronounced [kaˈð̞uko]. caucho is at rank #14,785, tagged as anoun, pronounced [ˈkawt͡ʃo].
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 62402, this pair ranks #52,161 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of caduco vs caucho
Shared letters: acou. Private to "caduco": d. Private to "caucho": h.
"caduco" · 6 letters · shape CVCVCV · "caucho" · 6 letters · shape CVVCCV
Known mistypes of this pair
Frequently Asked Questions
Do "caduco" and "caucho" mean the same thing in a sentence?
In ordinary Spanish text, does "caduco" or "caucho" show up more?
After this comparison
Eye-level mix-up between "caduco" and "caucho" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "caduco" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "caucho" - compare definitions side by side with the headword page. Word entry
- This pair ranks #52,161 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "caduco" and "caucho" also get mixed up with nearby pairs, the highest-scored neighbour is "caduco vs calco". 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 #52,161 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.