raiavsrapidaWhat's the difference?

Quick tell: raia is a noun, rapida is an adjective, so they fill different roles in a sentence.

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 spellings diverge

Shared letters are muted; the letters that actually set raia and rapida apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

4 ch
raia
6 ch
rapida

Spelling & Dictionary Insight

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

  • raiaaria · raai · riaa · rraia
  • rapidaarpida · raipda · rapdia · rapiad · rapidda · rappida · rpaida · rrapida

Frequency comparison

raia#23,104
rapida#47,038

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "raia" and "rapida" be used interchangeably?
No - they are not even the same part of speech. "raia" is a noun and "rapida" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "raia" or "rapida"?
"raia" is the more common of the two: it sits at frequency rank #23,104 in our Portuguese list, against #47,038 for "rapida". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering raia vs rapida

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “raia”; for an adjective, it's “rapida”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “raia” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list