Which to use
“doi” is a num and “dub” is a noun - they look or sound alike but fill different roles in a sentence.
- #13,272
- “doi” frequency rank
- #35,557
- “dub” frequency rank
- 48829
- confusion score
Side-by-Side Comparison
| Feature | doi | dub |
|---|---|---|
| Definition | dois; representado pelo algarismo hindu-arábico 2 | carvalho |
Where the eye mixes doi and dub
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between doi and dub
These two trip readers on the page rather than in the ear: doi is /doj/ while dub is /ˈdʊp/, ouvir^(fonte ?). Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (num vs noun), which is usually the fastest check. Our composite confusion score for this pair is 48829, 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/. dub is at rank #35,557, tagged as anoun, pronounced /ˈdʊp/, ouvir^(fonte ?).
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 48829, this pair ranks #16,299 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of doi vs dub
Shared letters: d. Private to "doi": io. Private to "dub": bu.
"doi" · 3 letters · shape CVV · "dub" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "doi" for "dub" ever safe?
In ordinary Portuguese text, does "doi" or "dub" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "doi" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "dub" - compare definitions side by side with the headword page. Word entry
- This pair ranks #16,299 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "doi" and "dub" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs dub". Nearby pair
Confusion rank #16,299 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.