RAEvsríoWhich spelling fits?

Quick tell: RAE is a name, río is a noun, so they fill different roles in a sentence.

Which to use

“RAE” is a name and “río” is a noun - they look or sound alike but fill different roles in a sentence.

#13,329
“RAE” frequency rank
#698
“río” frequency rank
14027
confusion score

Side-by-Side Comparison

Feature RAE río
Definition Radiodifusión Argentina al Exterior (servicio de radiodifusión internacional público de Argentina). Corriente de agua de caudal importante que discurre por tierra desde un manantial, una masa de hielos o un lago.

Where the eye mixes RAE and río

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
RAE
3 ch
río

Visual trap between RAE and río

These two trip readers on the page rather than in the ear: RAE is [ˈrae] while río is [ˈrio]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 14027, derived from the frequency rank of both members and their visual similarity.

RAE is recorded at frequency rank #13,329, classified as aname, pronounced [ˈrae]. río is at rank #698, tagged as anoun, pronounced [ˈrio].

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 14027, this pair ranks #285,674 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of RAE vs río

Shared letters: r. Private to "RAE": ae. Private to "río": .

"RAE" · 3 letters · shape CVV  ·  "río" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "RAE" for "río" ever safe?
No - they are not even the same part of speech. "RAE" is a name and "río" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "RAE" or "río"?
"río" is the more common of the two: it sits at frequency rank #698 in our Spanish list, against #13,329 for "RAE". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "RAE" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "río" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #285,674 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "RAE" and "río" also get mixed up with nearby pairs, the highest-scored neighbour is "RAE vs rajo". Nearby pair

Confusion rank #285,674 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