Which to use
“raiva” is a noun and “rapida” is an adjective - they look or sound alike but fill different roles in a sentence.
- #1,906
- “raiva” frequency rank
- #47,038
- “rapida” frequency rank
- 48944
- confusion score
Side-by-Side Comparison
| Feature | raiva | rapida |
|---|---|---|
| Definition | doença infecciosa aguda causada por um vírus de ARN da família dos rabdovírus, transmitida ao homem pela mordida de animais infectados, como o cão, gato, lobo etc., caracterizada por lesões do sistema nervoso central que provocam convulsão, tetania e paralisia respiratória; hidrofobia | rápido, veloz, célere |
Where the eye mixes raiva and rapida
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses raiva with rapida
These two trip readers on the page rather than in the ear: raiva is /ˈRaj.vɐ/ while rapida is /ra.ˈpi.da/.. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 48944, derived from the frequency rank of both members and their visual similarity.
raiva is recorded at frequency rank #1,906, classified as anoun, pronounced /ˈRaj.vɐ/. rapida is at rank #47,038, tagged as anadj, pronounced /ra.ˈpi.da/..
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 48944, this pair ranks #16,173 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of raiva vs rapida
Shared letters: air. Private to "raiva": v. Private to "rapida": dp.
"raiva" · 5 letters · shape CVVCV · "rapida" · 6 letters · shape CVCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "raiva" and "rapida" mean the same thing in a sentence?
In ordinary Portuguese text, does "raiva" or "rapida" show up more?
After this comparison
Eye-level mix-up between "raiva" and "rapida" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "raiva" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rapida" - compare definitions side by side with the headword page. Word entry
- This pair ranks #16,173 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "raiva" and "rapida" also get mixed up with nearby pairs, the highest-scored neighbour is "rapa vs rapida". 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 #16,173 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.