Which to use
“rack” and “roc” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #46,392
- “rack” frequency rank
- #10,935
- “roc” frequency rank
- 57327
- confusion score
Side-by-Side Comparison
| Feature | rack | roc |
|---|---|---|
| Definition | Élément pour ranger, généralement d’une forme conçue pour recevoir ce qu’on y range. | Masse de pierre très dure, qui tient au sol. |
Where the eye mixes rack and roc
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses rack with roc
A purely visual mix-up. rack (\ʁak\) and roc (\ʁɔk\) 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 57327, derived from the frequency rank of both members and their visual similarity.
rack is recorded at frequency rank #46,392, classified as anoun, pronounced \ʁak\. roc is at rank #10,935, tagged as anoun, pronounced \ʁɔk\.
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 57327, this pair ranks #115,723 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of rack vs roc
Shared letters: cr. Private to "rack": ak. Private to "roc": o.
"rack" · 4 letters · shape CVCC · "roc" · 3 letters · shape CVC
Known mistypes of this pair
- rack ← arck · racck · rackk · rakc · rcak · rrack
Frequently Asked Questions
Can "rack" and "roc" be used interchangeably?
In ordinary French text, does "rack" or "roc" show up more?
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 "rack" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "roc" - compare definitions side by side with the headword page. Word entry
- This pair ranks #115,723 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "rack" and "roc" also get mixed up with nearby pairs, the highest-scored neighbour is "rack vs RAMQ". 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 #115,723 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.