Which to use
“río” and “ru” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #698
- “río” frequency rank
- #21,828
- “ru” frequency rank
- 22526
- confusion score
Side-by-Side Comparison
| Feature | río | ru |
|---|---|---|
| Definition | Corriente de agua de caudal importante que discurre por tierra desde un manantial, una masa de hielos o un lago. | Calle. |
Where the eye mixes río and ru
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between río and ru
A purely visual mix-up. río ([ˈrio]) and ru (/ˈryː/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 22526, derived from the frequency rank of both members and their visual similarity.
río is recorded at frequency rank #698, classified as anoun, pronounced [ˈrio]. ru is at rank #21,828, tagged as anoun, pronounced /ˈryː/.
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 22526, this pair ranks #249,928 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of río vs ru
Shared letters: r. Private to "río": oí. Private to "ru": u.
"río" · 3 letters · shape CVV · "ru" · 2 letters · shape CV
Frequently Asked Questions
Can "río" and "ru" be used interchangeably?
Frequency check: "río" vs "ru" - 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 "río" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ru" - compare definitions side by side with the headword page. Word entry
- This pair ranks #249,928 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "río" and "ru" also get mixed up with nearby pairs, the highest-scored neighbour is "ru vs rulo". Nearby pair
Confusion rank #249,928 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.