Which to use
“duck” is a noun and “duro” is an adjective - they look or sound alike but fill different roles in a sentence.
- #23,302
- “duck” frequency rank
- #3,070
- “duro” frequency rank
- 26372
- confusion score
Side-by-Side Comparison
| Feature | duck | duro |
|---|---|---|
| Definition | pato | difícil de quebrar ou de desfazer |
Letter map: duck vs duro
Shared letters muted; letters that set duck and duro apart highlighted. Shared run: 2.
Grammar separator: duck vs duro
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: duck is anoun and duroanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 26372, derived from the frequency rank of both members and their visual similarity.
duck is recorded at frequency rank #23,302, classified as anoun. 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 26372, this pair ranks #42,799 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of duck vs duro
Shared letters: du. Private to "duck": ck. Private to "duro": or.
"duck" · 4 letters · shape CVCC · "duro" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Can "duck" and "duro" be used interchangeably?
Frequency check: "duck" vs "duro" - which ranks higher?
Useful next steps
Pair "duck" vs "duro" is on the table, pick a follow-up below.
- Full dictionary entry for "duck" 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 #42,799 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "duck" and "duro" also get mixed up with nearby pairs, the highest-scored neighbour is "dink vs duck". 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 #42,799 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.