Which to use
“rapida” is an adjective and “rapidez” is a noun - they look or sound alike but fill different roles in a sentence.
- #47,038
- “rapida” frequency rank
- #11,136
- “rapidez” frequency rank
- 58174
- confusion score
Side-by-Side Comparison
| Feature | rapida | rapidez |
|---|---|---|
| Definition | rápido, veloz, célere | qualidade do que é rápido; velocidade; celeridade; prontidão: |
Where the eye mixes rapida and rapidez
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Why the eye confuses rapida with rapidez
These two trip readers on the page rather than in the ear: rapida is /ra.ˈpi.da/. while rapidez is /Rɐ.pi.ˈdeʃ/. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 58174, derived from the frequency rank of both members and their visual similarity.
rapida is recorded at frequency rank #47,038, classified as anadj, pronounced /ra.ˈpi.da/.. rapidez is at rank #11,136, tagged as anoun, pronounced /Rɐ.pi.ˈdeʃ/.
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 58174, this pair ranks #8,905 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of rapida vs rapidez
Shared letters: adipr. Private to "rapida": -. Private to "rapidez": ez.
"rapida" · 6 letters · shape CVCVCV · "rapidez" · 7 letters · shape CVCVCVC
Known mistypes of this pair
Frequently Asked Questions
Do "rapida" and "rapidez" mean the same thing in a sentence?
In ordinary Portuguese text, does "rapida" or "rapidez" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "rapida" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rapidez" - compare definitions side by side with the headword page. Word entry
- This pair ranks #8,905 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "rapida" and "rapidez" 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 #8,905 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.