ríovsRoyWhich spelling fits?

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

Which to use

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

#698
“río” frequency rank
#8,311
“Roy” frequency rank
9009
confusion score

Side-by-Side Comparison

Feature río Roy
Definition Corriente de agua de caudal importante que discurre por tierra desde un manantial, una masa de hielos o un lago. Apellido.

Where the eye mixes río and Roy

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
río
3 ch
Roy

Why the eye confuses río with Roy

These two trip readers on the page rather than in the ear: río is [ˈrio] while Roy is [ʁɔj]. 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 (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 9009, derived from the frequency rank of both members and their visual similarity.

río is recorded at frequency rank #698, classified as anoun, pronounced [ˈrio]. Roy is at rank #8,311, tagged as aname, pronounced [ʁɔj].

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 9009, this pair ranks #303,234 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of río vs Roy

Shared letters: or. Private to "río": í. Private to "Roy": y.

"río" · 3 letters · shape CVV  ·  "Roy" · 3 letters · shape CVV

Frequently Asked Questions

Do "río" and "Roy" mean the same thing in a sentence?
No - they are not even the same part of speech. "río" is a noun and "Roy" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "río" vs "Roy" - which ranks higher?
"río" is the more common of the two: it sits at frequency rank #698 in our Spanish list, against #8,311 for "Roy". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "río" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Roy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #303,234 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "río" and "Roy" also get mixed up with nearby pairs, the highest-scored neighbour is "Roy vs rum". Nearby pair

Confusion rank #303,234 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