Which to use
“rápido” is an adjective and “ruido” is a noun - they look or sound alike but fill different roles in a sentence.
- #881
- “rápido” frequency rank
- #2,317
- “ruido” frequency rank
- 3198
- confusion score
Side-by-Side Comparison
| Feature | rápido | ruido |
|---|---|---|
| Definition | Que se mueve a gran velocidad o rapidez. | Sonido, en especial el que es fuerte y desagradable. |
Where the spellings diverge
Shared letters are muted; the letters that actually set rápido and ruido apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: rápido is [ˈrapið̞o] while ruido is [ˈrwið̞o]. 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 3198, derived from the frequency rank of both members and their visual similarity.
rápido is recorded at frequency rank #881, classified as anadj, pronounced [ˈrapið̞o]. ruido is at rank #2,317, tagged as anoun, pronounced [ˈrwið̞o].
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 3198, this pair ranks #318,841 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of rápido vs ruido
Shared letters: dior. Private to "rápido": pá. Private to "ruido": u.
"rápido" · 6 letters · shape CVCVCV · "ruido" · 5 letters · shape CVVCV
Known mistypes of this pair
- ruido ← riudo · rruido · rudio · ruiddo · ruiod · urido
Frequency comparison
Frequently Asked Questions
Can "rápido" and "ruido" be used interchangeably?
Which is more common, "rápido" or "ruido"?
Remembering rápido vs ruido
The fastest way to pick the right one every time.
- Check the role first: if you need an adjective, it's “rápido”; for a noun, it's “ruido”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “rápido” entry
- Browse more pairs most likely to be confused. Most confusable