Which to use
“raia” is a noun and “rapida” is an adjective - they look or sound alike but fill different roles in a sentence.
- #23,104
- “raia” frequency rank
- #47,038
- “rapida” frequency rank
- 70142
- confusion score
Side-by-Side Comparison
| Feature | raia | rapida |
|---|---|---|
| Definition | o mesmo que arraia | rápido, veloz, célere |
Where the eye mixes raia and rapida
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. raia runs 4 letters (CVVV) against rapida's 6 (CVCVCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between raia and rapida
These two trip readers on the page rather than in the ear: raia is /ˈRaj.ɐ/ while rapida is /ra.ˈpi.da/.. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 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 70142, derived from the frequency rank of both members and their visual similarity.
raia is recorded at frequency rank #23,104, classified as anoun, pronounced /ˈRaj.ɐ/. 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 70142, this pair ranks #3,723 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of raia vs rapida
Shared letters: air. Private to "raia": -. Private to "rapida": dp.
"raia" · 4 letters · shape CVVV · "rapida" · 6 letters · shape CVCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "raia" for "rapida" ever safe?
In ordinary Portuguese text, does "raia" or "rapida" show up more?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "raia" 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 #3,723 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "raia" 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 #3,723 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.