reídovsruidoWhat's the difference?

Quick tell: reído is a verb, ruido is a noun, so they fill different roles in a sentence.

Which to use

“reído” is a verb and “ruido” is a noun - they look or sound alike but fill different roles in a sentence.

#26,993
“reído” frequency rank
#2,317
“ruido” frequency rank
29310
confusion score

Side-by-Side Comparison

Feature reído ruido
Definition Participio de reír o de reírse. Sonido, en especial el que es fuerte y desagradable.

Where the spellings diverge

Shared letters are muted; the letters that actually set reído and ruido apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch
reído
5 ch
ruido

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: reído is [reˈið̞o] while ruido is [ˈrwið̞o]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 29310, derived from the frequency rank of both members and their visual similarity.

reído is recorded at frequency rank #26,993, classified as averb, pronounced [reˈið̞o]. 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 29310, this pair ranks #217,647 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of reído vs ruido

Shared letters: dor. Private to "reído": . Private to "ruido": iu.

"reído" · 5 letters · shape CVVCV  ·  "ruido" · 5 letters · shape CVVCV

Known mistypes of this pair

  • ruidoriudo · rruido · rudio · ruiddo · ruiod · urido

Frequency comparison

reído#26,993
ruido#2,317

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "reído" and "ruido" be used interchangeably?
No - they are not even the same part of speech. "reído" is a verb and "ruido" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "reído" or "ruido"?
"ruido" is the more common of the two: it sits at frequency rank #2,317 in our Spanish list, against #26,993 for "reído". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering reído vs ruido

The fastest way to pick the right one every time.

  • Check the role first: if you need a verb, it's “reído”; for a noun, it's “ruido”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “reído” 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