robvsRuyWhat's the difference?

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

Which to use

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

#12,919
“rob” frequency rank
#34,768
“Ruy” frequency rank
47687
confusion score

Side-by-Side Comparison

Feature rob Ruy
Definition Jugo o pulpa de fruta, cocida con azúcar o miel hasta tomar densidad de almíbar. Nombre de pila de varón.

Where the eye mixes rob and Ruy

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

3 ch
rob
3 ch
Ruy

Why the eye confuses rob with Ruy

These two trip readers on the page rather than in the ear: rob is [ˈroβ̞] while Ruy is [ˈruj]. 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 47687, derived from the frequency rank of both members and their visual similarity.

rob is recorded at frequency rank #12,919, classified as anoun, pronounced [ˈroβ̞]. Ruy is at rank #34,768, tagged as aname, pronounced [ˈruj].

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 47687, this pair ranks #118,660 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of rob vs Ruy

Shared letters: r. Private to "rob": bo. Private to "Ruy": uy.

"rob" · 3 letters · shape CVC  ·  "Ruy" · 3 letters · shape CVV

Frequently Asked Questions

Can "rob" and "Ruy" be used interchangeably?
No - they are not even the same part of speech. "rob" is a noun and "Ruy" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "rob" vs "Ruy" - which ranks higher?
"rob" is the more common of the two: it sits at frequency rank #12,919 in our Spanish list, against #34,768 for "Ruy". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "rob" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Ruy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #118,660 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "rob" and "Ruy" also get mixed up with nearby pairs, the highest-scored neighbour is "rulo vs Ruy". Nearby pair

Confusion rank #118,660 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