Which to use
“dorso” is a noun and “duro” is an adjective - they look or sound alike but fill different roles in a sentence.
- #32,954
- “dorso” frequency rank
- #3,070
- “duro” frequency rank
- 36024
- confusion score
Side-by-Side Comparison
| Feature | dorso | duro |
|---|---|---|
| Definition | costas | difícil de quebrar ou de desfazer |
Letter map: dorso vs duro
Shared letters muted; letters that set dorso and duro apart highlighted. Shared run: 3. dorso runs 5 letters (CVCCV) against duro's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - dorso and duro
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: dorso is anoun and duroanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 36024, derived from the frequency rank of both members and their visual similarity.
dorso is recorded at frequency rank #32,954, classified as anoun, pronounced /ˈdoɾ.su/. duro is at rank #3,070, tagged as anadj.
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 36024, this pair ranks #30,881 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of dorso vs duro
Shared letters: dor. Private to "dorso": s. Private to "duro": u.
"dorso" · 5 letters · shape CVCCV · "duro" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Can "dorso" and "duro" be used interchangeably?
Frequency check: "dorso" vs "duro" - which ranks higher?
Useful next steps
Done with this confusable. These links stay specific to "dorso" and "duro".
- Full dictionary entry for "dorso" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "duro" - compare definitions side by side with the headword page. Word entry
- This pair ranks #30,881 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "dorso" and "duro" also get mixed up with nearby pairs, the highest-scored neighbour is "dodo vs dorso". 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 #30,881 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.