Which to use
“reír” is a verb and “REM” is a noun - they look or sound alike but fill different roles in a sentence.
- #5,778
- “reír” frequency rank
- #35,225
- “REM” frequency rank
- 41003
- confusion score
Side-by-Side Comparison
| Feature | reír | REM |
|---|---|---|
| Definition | Reírse (emitir sonidos de alegría con la boca). | Fase del sueño durante la que suceden los ensueños más intensos. Durante esta fase, los ojos se mueven rápidamente y la actividad de las neuronas del cerebro se asemeja a la de cuando se está despierto. |
Where the spellings diverge
Shared letters are muted; the letters that actually set reír and REM apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
reír and REM form a confusable pair in the Spanish index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 41003, derived from the frequency rank of both members and their visual similarity.
reír is recorded at frequency rank #5,778, classified as averb, pronounced [reˈiɾ]. REM is at rank #35,225, tagged as anoun, pronounced [ˈrẽm].
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 41003, this pair ranks #156,035 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "reír" and "REM" be used interchangeably?
Remembering reír vs REM
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “reír”; for a noun, it's “REM”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “reír” entry
- Browse more pairs most likely to be confused. Most confusable