Which to use
“doi” is a num and “don” is a noun - they look or sound alike but fill different roles in a sentence.
- #13,272
- “doi” frequency rank
- #4,306
- “don” frequency rank
- 17578
- confusion score
Side-by-Side Comparison
| Feature | doi | don |
|---|---|---|
| Definition | dois; representado pelo algarismo hindu-arábico 2 | professor universitário (especialmente da Universidade de Oxford ou de Cambridge) |
Where the eye mixes doi and don
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between doi and don
These two trip readers on the page rather than in the ear: doi is /doj/ while don is /dɒn/ ouvir ^(fonte ?). Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - i in “doi” becomes n in “don”, and the parts of speech differ too (num vs noun), which is usually the fastest check. Our composite confusion score for this pair is 17578, 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/. don is at rank #4,306, tagged as anoun, pronounced /dɒn/ 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 17578, this pair ranks #53,638 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of doi vs don
Shared letters: do. Private to "doi": i. Private to "don": n.
"doi" · 3 letters · shape CVV · "don" · 3 letters · shape CVC
Frequently Asked Questions
Can "doi" and "don" be used interchangeably?
In ordinary Portuguese text, does "doi" or "don" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "doi" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "don" - compare definitions side by side with the headword page. Word entry
- This pair ranks #53,638 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "doi" and "don" also get mixed up with nearby pairs, the highest-scored neighbour is "dat vs doi". Nearby pair
Confusion rank #53,638 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.