Which to use
“registar” is a verb and “registo” is a noun - they look or sound alike but fill different roles in a sentence.
- #16,154
- “registar” frequency rank
- #5,248
- “registo” frequency rank
- 21402
- confusion score
Side-by-Side Comparison
| Feature | registar | registo |
|---|---|---|
| Definition | anotar fatos por escrito; efetuar lançamentos em livros públicos | ato ou efeito de registar (registrar) |
Where the eye mixes registar and registo
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. registar runs 8 letters (CVCVCCVC) against registo's 7 (CVCVCCV) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: registar vs registo
These two trip readers on the page rather than in the ear: registar is /Rɨ.ʒiʃ.ˈtaɾ/ while registo is /Rɨ.ˈʒiʃ.tu/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 21402, derived from the frequency rank of both members and their visual similarity.
registar is recorded at frequency rank #16,154, classified as averb, pronounced /Rɨ.ʒiʃ.ˈtaɾ/. registo is at rank #5,248, tagged as anoun, pronounced /Rɨ.ˈʒiʃ.tu/.
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 21402, this pair ranks #48,887 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of registar vs registo
Shared letters: egirst. Private to "registar": a. Private to "registo": o.
"registar" · 8 letters · shape CVCVCCVC · "registo" · 7 letters · shape CVCVCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "registar" for "registo" ever safe?
Which is more common, "registar" or "registo"?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "registar" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "registo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #48,887 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "registar" and "registo" also get mixed up with nearby pairs, the highest-scored neighbour is "recitar vs registar". 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 #48,887 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.