Which to use
“duas” is a num and “dura” is a noun - they look or sound alike but fill different roles in a sentence.
- #188
- “duas” frequency rank
- #2,319
- “dura” frequency rank
- 2507
- confusion score
Side-by-Side Comparison
| Feature | duas | dura |
|---|---|---|
| Definition | feminino de dois/dous; representado pelo símbolo 2 (algarismos indo-arábicos) ou II (algarismos romanos) | o mesmo que duração ('qualidade do que dura') |
Letter map: duas vs dura
Shared letters muted; letters that set duas and dura apart highlighted. Shared run: 3. duas (CVVC) and dura (CVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Role in the sentence - duas and dura
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: duas is anum and duraanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 2507, derived from the frequency rank of both members and their visual similarity.
duas is recorded at frequency rank #188, classified as anum, pronounced /ˈdu.ɐʃ/. dura is at rank #2,319, tagged as anoun.
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 2507, this pair ranks #72,864 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of duas vs dura
Shared letters: adu. Private to "duas": s. Private to "dura": r.
"duas" · 4 letters · shape CVVC · "dura" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Do "duas" and "dura" mean the same thing in a sentence?
Which is more common, "duas" or "dura"?
What to do next
Pair "duas" vs "dura" is on the table, pick a follow-up below.
- Full dictionary entry for "duas" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "dura" - compare definitions side by side with the headword page. Word entry
- This pair ranks #72,864 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "duas" and "dura" also get mixed up with nearby pairs, the highest-scored neighbour is "doula vs dura". 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 #72,864 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.