ru vs Rus, What's the Difference?

Which to use

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

#21,828
“ru” frequency rank: #25,803
“Rus” frequency rank: 47631
confusion score

Side-by-Side Comparison

Feature	ru	Rus
Definition	Calle.	Ruso.

Where the eye mixes ru and Rus

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

2 ch

3 ch

Rus

Look-alike desk: ru vs Rus

A purely visual mix-up. ru (/ˈryː/) 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 extra letter(s) - “ru” sits inside “Rus”. Our composite confusion score for this pair is 47631, derived from the frequency rank of both members and their visual similarity.

ru is recorded at frequency rank #21,828, classified as anoun, pronounced /ˈryː/. 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 47631, this pair ranks #118,973 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ru vs Rus

Shared letters: ru. Private to "ru": -. Private to "Rus": s.

"ru" · 2 letters · shape CV · "Rus" · 3 letters · shape CVC

Frequently Asked Questions

Do "ru" and "Rus" mean the same thing in a sentence?

No. They are said differently (/ˈryː/ versus [rʏs]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Frequency check: "ru" vs "Rus" - which ranks higher?

"ru" is the more common of the two: it sits at frequency rank #21,828 in our Spanish list, against #25,803 for "Rus". 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 "ru" and "Rus" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "ru" 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 #118,973 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
"ru" and "Rus" also get mixed up with nearby pairs, the highest-scored neighbour is "rias vs Rus". Nearby pair

Confusion rank #118,973 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.