Which to use
“das” is a contraction and “duas” is a num - they look or sound alike but fill different roles in a sentence.
- #35
- “das” frequency rank
- #188
- “duas” frequency rank
- 223
- confusion score
Side-by-Side Comparison
| Feature | das | duas |
|---|---|---|
| Definition | da preposição de com o artigo definido feminino plural as | feminino de dois/dous; representado pelo símbolo 2 (algarismos indo-arábicos) ou II (algarismos romanos) |
Where the eye mixes das and duas
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between das and duas
These two trip readers on the page rather than in the ear: das is /dɐs/ while duas is /ˈdu.ɐʃ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (contraction vs num), which is usually the fastest check. Our composite confusion score for this pair is 223, derived from the frequency rank of both members and their visual similarity.
das is recorded at frequency rank #35, classified as acontraction, pronounced /dɐs/. duas is at rank #188, tagged as anum, pronounced /ˈdu.ɐʃ/.
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 223, this pair ranks #75,413 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of das vs duas
Shared letters: ads. Private to "das": -. Private to "duas": u.
"das" · 3 letters · shape CVC · "duas" · 4 letters · shape CVVC
Known mistypes of this pair
- duas ← daus · dduas · duass · dusa · udas
Frequently Asked Questions
Do "das" and "duas" mean the same thing in a sentence?
Frequency check: "das" vs "duas" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "das" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "duas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #75,413 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "das" and "duas" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs duas". 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 #75,413 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.