Which to use
“RAH” and “rou” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #32,548
- “RAH” frequency rank
- #48,169
- “rou” frequency rank
- 80717
- confusion score
Side-by-Side Comparison
| Feature | RAH | rou |
|---|---|---|
| Definition | Méthode d’extraction consistant a injecter divers gaz, liquides ou du plasma dans une réserve souterraine de pétrole afin de récupérer le pétrole entrainé. | Synonyme de rohu (poisson). |
Where the eye mixes RAH and rou
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. RAH (CVC) and rou (CVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: RAH vs rou
A purely visual mix-up. RAH (\ɛʁ.ɑ.aʃ\) and rou (\ʁu\) 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 80717, derived from the frequency rank of both members and their visual similarity.
RAH is recorded at frequency rank #32,548, classified as anoun, pronounced \ɛʁ.ɑ.aʃ\. rou is at rank #48,169, tagged as anoun, pronounced \ʁu\.
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 80717, this pair ranks #20,314 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of RAH vs rou
Shared letters: r. Private to "RAH": ah. Private to "rou": ou.
"RAH" · 3 letters · shape CVC · "rou" · 3 letters · shape CVV
Frequently Asked Questions
Is swapping "RAH" for "rou" ever safe?
In ordinary French text, does "RAH" or "rou" show up more?
After this comparison
Eye-level mix-up between "RAH" and "rou" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "RAH" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rou" - compare definitions side by side with the headword page. Word entry
- This pair ranks #20,314 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "RAH" and "rou" also get mixed up with nearby pairs, the highest-scored neighbour is "rou vs roya". Nearby pair
Confusion rank #20,314 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.