Which to use
“résidu” and “restau” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #27,227
- “résidu” frequency rank
- #17,805
- “restau” frequency rank
- 45032
- confusion score
Side-by-Side Comparison
| Feature | résidu | restau |
|---|---|---|
| Definition | Ce qui reste. | Restaurant. |
Where the eye mixes résidu and restau
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between résidu and restau
A purely visual mix-up. résidu (\ʁe.zi.dy\) and restau (\ʁɛs.to\) 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 3 positions. Our composite confusion score for this pair is 45032, derived from the frequency rank of both members and their visual similarity.
résidu is recorded at frequency rank #27,227, classified as anoun, pronounced \ʁe.zi.dy\. restau is at rank #17,805, tagged as anoun, pronounced \ʁɛs.to\.
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 45032, this pair ranks #205,921 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of résidu vs restau
Shared letters: rsu. Private to "résidu": dié. Private to "restau": aet.
"résidu" · 6 letters · shape CVCVCV · "restau" · 6 letters · shape CVCCVV
Known mistypes of this pair
- restau ← erstau · resatu · resstau · resttau · restua · retsau · rrestau · rsetau
Frequently Asked Questions
Is swapping "résidu" for "restau" ever safe?
In ordinary French text, does "résidu" or "restau" show up more?
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 "résidu" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "restau" - compare definitions side by side with the headword page. Word entry
- This pair ranks #205,921 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "résidu" and "restau" also get mixed up with nearby pairs, the highest-scored neighbour is "résidu vs résiduel". 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 #205,921 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.