Which to use
“doi” and “dois” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #13,272
- “doi” frequency rank
- #109
- “dois” frequency rank
- 13381
- confusion score
Side-by-Side Comparison
| Feature | doi | dois |
|---|---|---|
| Definition | dois; representado pelo algarismo hindu-arábico 2 | número equivalente a um mais um; cardinalidade de um conjunto que contenha um elemento e um outro elemento distinto; representado pelo símbolo 2 (algarismos indo-arábicos) ou II (algarismos romanos); seu feminino é duas |
Where the spellings diverge
Shared letters are muted; the letters that actually set doi and dois apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
doi and dois form a confusable pair in the Portuguese index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 extra letter(s) - “doi” sits inside “dois” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 13381, derived from the frequency rank of both members and their visual similarity.
doi is recorded at frequency rank #13,272, classified as anum, pronounced /doj/. dois is at rank #109, tagged as anum, pronounced /ˈdojʃ/.
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 13381, this pair ranks #58,979 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "doi" and "dois" be used interchangeably?
Remembering doi vs dois
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “doi” entry
- Browse more pairs most likely to be confused. Most confusable