rienvsriñónTell them apart

Quick tell: rien is a pronoun, riñón is a noun, so they fill different roles in a sentence.

Which to use

“rien” is a pronoun and “riñón” is a noun - they look or sound alike but fill different roles in a sentence.

#30,237
“rien” frequency rank
#15,475
“riñón” frequency rank
45712
confusion score

Side-by-Side Comparison

Feature rien riñón
Definition Nada. Órgano del sistema excretor entre los vertebrados, que filtra las toxinas de la sangre y las desecha mediante la orina. Se ubican en la mitad posterior del cuerpo, a ambos lados de la espina dorsal.

Where the eye mixes rien and riñón

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
rien
5 ch
riñón

Look-alike desk: rien vs riñón

These two trip readers on the page rather than in the ear: rien is [ʁjɛ̃] while riñón is [riˈɲõn]. 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 (pronoun vs noun), which is usually the fastest check. Our composite confusion score for this pair is 45712, 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]. riñón is at rank #15,475, tagged as anoun, pronounced [riˈɲõn].

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 45712, this pair ranks #129,857 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of rien vs riñón

Shared letters: inr. Private to "rien": e. Private to "riñón": ñó.

"rien" · 4 letters · shape CVVC  ·  "riñón" · 5 letters · shape CVCVC

Known mistypes of this pair

  • rieniren · rein · rienn · rine · rrien

Frequently Asked Questions

Is swapping "rien" for "riñón" ever safe?
No - they are not even the same part of speech. "rien" is a pronoun and "riñón" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "rien" or "riñón" show up more?
"riñón" is the more common of the two: it sits at frequency rank #15,475 in our Spanish list, against #30,237 for "rien". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "rien" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "riñón" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #129,857 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "rien" and "riñón" 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 #129,857 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list