rulovsRusWhat's the difference?

Which to use

“rulo” and “Rus” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#46,196
“rulo” frequency rank
#25,803
“Rus” frequency rank
71999
confusion score

Side-by-Side Comparison

Feature rulo Rus
Definition Bola gruesa u otra cosa redonda que rueda fácilmente. Ruso.

Where the eye mixes rulo and Rus

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

4 ch
rulo
3 ch
Rus

Look-alike desk: rulo vs Rus

A purely visual mix-up. rulo ([ˈrulo]) and Rus ([rʏs]) 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 71999, derived from the frequency rank of both members and their visual similarity.

rulo is recorded at frequency rank #46,196, classified as anoun, pronounced [ˈrulo]. Rus is at rank #25,803, tagged as anoun, pronounced [rʏs].

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 71999, this pair ranks #26,304 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of rulo vs Rus

Shared letters: ru. Private to "rulo": lo. Private to "Rus": s.

"rulo" · 4 letters · shape CVCV  ·  "Rus" · 3 letters · shape CVC

Known mistypes of this pair

  • rulorluo · rrulo · rullo · ruol · urlo

Frequently Asked Questions

Can "rulo" and "Rus" be used interchangeably?
No. They are said differently ([ˈrulo] versus [rʏs]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "rulo" vs "Rus" - which ranks higher?
"Rus" is the more common of the two: it sits at frequency rank #25,803 in our Spanish list, against #46,196 for "rulo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "rulo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Rus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #26,304 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "rulo" and "Rus" also get mixed up with nearby pairs, the highest-scored neighbour is "rajo vs rulo". 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 #26,304 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