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') |
Where the spellings diverge
Shared letters are muted; the letters that actually set duas and dura apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
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
Frequency comparison
Frequently Asked Questions
Can "duas" and "dura" be used interchangeably?
Which is more common, "duas" or "dura"?
Remembering duas vs dura
The fastest way to pick the right one every time.
- Check the role first: if you need a num, it's “duas”; for a noun, it's “dura”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “duas” entry
- Browse more pairs most likely to be confused. Most confusable