Which to use
“reír” is a verb and “rex” is a noun - they look or sound alike but fill different roles in a sentence.
- #5,778
- “reír” frequency rank
- #13,343
- “rex” frequency rank
- 19121
- confusion score
Side-by-Side Comparison
| Feature | reír | rex |
|---|---|---|
| Definition | Reírse (emitir sonidos de alegría con la boca). | Rey, monarca. |
Where the eye mixes reír and rex
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between reír and rex
These two trip readers on the page rather than in the ear: reír is [reˈiɾ] while rex is /ˈreːks/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 19121, 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]. rex is at rank #13,343, tagged as anoun, pronounced /ˈreːks/.
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 19121, this pair ranks #265,114 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of reír vs rex
Shared letters: er. Private to "reír": í. Private to "rex": x.
"reír" · 4 letters · shape CVVC · "rex" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "reír" for "rex" ever safe?
Frequency check: "reír" vs "rex" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "reír" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rex" - compare definitions side by side with the headword page. Word entry
- This pair ranks #265,114 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "reír" and "rex" also get mixed up with nearby pairs, the highest-scored neighbour is "rema vs rex". Nearby pair
Confusion rank #265,114 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.