roovsroyoWhat's the difference?

Quick tell: roo is a verb, royo is an adjective, so they fill different roles in a sentence.

Which to use

“roo” is a verb and “royo” is an adjective - they look or sound alike but fill different roles in a sentence.

#13,787
“roo” frequency rank
#34,327
“royo” frequency rank
48114
confusion score

Side-by-Side Comparison

Feature roo royo
Definition Primera persona del singular (yo) del presente de indicativo de roer. Del color percibido por el ojo humano de la luz con una longitud de onda entre 630 nanómetros y 760 nanómetros, que se corresponde al que tiene la sangre o los tomates.

Where the eye mixes roo and royo

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

3 ch
roo
4 ch
royo

Visual trap between roo and royo

These two trip readers on the page rather than in the ear: roo is [ˈroo] while royo is [ˈroʝo]. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 48114, derived from the frequency rank of both members and their visual similarity.

roo is recorded at frequency rank #13,787, classified as averb, pronounced [ˈroo]. royo is at rank #34,327, tagged as anadj, pronounced [ˈroʝo].

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 48114, this pair ranks #116,257 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of roo vs royo

Shared letters: or. Private to "roo": -. Private to "royo": y.

"roo" · 3 letters · shape CVV  ·  "royo" · 4 letters · shape CVVV

Known mistypes of this pair

  • royooryo · rooy · royyo · rroyo · ryoo

Frequently Asked Questions

Is swapping "roo" for "royo" ever safe?
No - they are not even the same part of speech. "roo" is a verb and "royo" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "roo" or "royo" show up more?
"roo" is the more common of the two: it sits at frequency rank #13,787 in our Spanish list, against #34,327 for "royo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "roo" and "royo" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "roo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "royo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #116,257 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "roo" and "royo" also get mixed up with nearby pairs, the highest-scored neighbour is "rajo vs royo". 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 #116,257 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