Which to use
“poço” is a noun and “proto” is an adverb - they look or sound alike but fill different roles in a sentence.
- #5,129
- “poço” frequency rank
- #35,741
- “proto” frequency rank
- 40870
- confusion score
Side-by-Side Comparison
| Feature | poço | proto |
|---|---|---|
| Definition | buraco fundo, geralmente circular, cavado no chão, com o objetivo de encontrar água | por isso |
Where the eye mixes poço and proto
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses poço with proto
These two trip readers on the page rather than in the ear: poço is /ˈpo.su/ while proto is /ˈproto/ ouvir^(fonte ?). 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 (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 40870, derived from the frequency rank of both members and their visual similarity.
poço is recorded at frequency rank #5,129, classified as anoun, pronounced /ˈpo.su/. proto is at rank #35,741, tagged as anadv, pronounced /ˈproto/ 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 40870, this pair ranks #25,168 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of poço vs proto
Shared letters: op. Private to "poço": ç. Private to "proto": rt.
"poço" · 4 letters · shape CVCV · "proto" · 5 letters · shape CCVCV
Known mistypes of this pair
- proto ← pproto · proot · protto · prroto · prtoo · rpoto
Frequently Asked Questions
Can "poço" and "proto" be used interchangeably?
Frequency check: "poço" vs "proto" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "poço" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "proto" - compare definitions side by side with the headword page. Word entry
- This pair ranks #25,168 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "poço" and "proto" also get mixed up with nearby pairs, the highest-scored neighbour is "Pluto vs proto". 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 #25,168 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.