Which to use
“rou” and “rus” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #48,169
- “rou” frequency rank
- #37,537
- “rus” frequency rank
- 85706
- confusion score
Side-by-Side Comparison
| Feature | rou | rus |
|---|---|---|
| Definition | Synonyme de rohu (poisson). | Pluriel de ru. |
Where the eye mixes rou and rus
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses rou with rus
A purely visual mix-up. rou (\ʁu\) and rus (\ʁy\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 85706, derived from the frequency rank of both members and their visual similarity.
rou is recorded at frequency rank #48,169, classified as anoun, pronounced \ʁu\. rus is at rank #37,537, tagged as anoun, pronounced \ʁy\.
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 85706, this pair ranks #10,891 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of rou vs rus
Shared letters: ru. Private to "rou": o. Private to "rus": s.
"rou" · 3 letters · shape CVV · "rus" · 3 letters · shape CVC
Frequently Asked Questions
Do "rou" and "rus" mean the same thing in a sentence?
Which is more common, "rou" or "rus"?
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 "rou" 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 #10,891 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "rou" and "rus" also get mixed up with nearby pairs, the highest-scored neighbour is "rou vs roya". Nearby pair
Confusion rank #10,891 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.