Which to use
“rien” is a pronoun and “rieron” is a verb - they look or sound alike but fill different roles in a sentence.
- #30,237
- “rien” frequency rank
- #29,380
- “rieron” frequency rank
- 59617
- confusion score
Side-by-Side Comparison
| Feature | rien | rieron |
|---|---|---|
| Definition | Nada. | Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito perfecto simple de indicativo de reír o de reírse. |
Where the eye mixes rien and rieron
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. rien runs 4 letters (CVVC) against rieron's 6 (CVVCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between rien and rieron
These two trip readers on the page rather than in the ear: rien is [ʁjɛ̃] while rieron is [ˈrjeɾõn]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (pronoun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 59617, derived from the frequency rank of both members and their visual similarity.
rien is recorded at frequency rank #30,237, classified as apron, pronounced [ʁjɛ̃]. rieron is at rank #29,380, tagged as averb, pronounced [ˈrjeɾõn].
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 59617, this pair ranks #61,969 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of rien vs rieron
Shared letters: einr. Private to "rien": -. Private to "rieron": o.
"rien" · 4 letters · shape CVVC · "rieron" · 6 letters · shape CVVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "rien" for "rieron" ever safe?
Which is more common, "rien" or "rieron"?
What to do next
Eye-level mix-up between "rien" and "rieron" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "rien" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rieron" - compare definitions side by side with the headword page. Word entry
- This pair ranks #61,969 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "rien" and "rieron" also get mixed up with nearby pairs, the highest-scored neighbour is "riba vs rien". 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 #61,969 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.