Which to use
“roc” and “rocca” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,935
- “roc” frequency rank
- #40,973
- “rocca” frequency rank
- 51908
- confusion score
Side-by-Side Comparison
| Feature | roc | rocca |
|---|---|---|
| Definition | Masse de pierre très dure, qui tient au sol. | Roche, roc. |
Where the eye mixes roc and rocca
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses roc with rocca
A purely visual mix-up. roc (\ʁɔk\) and rocca (\rɔk.ka\) 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 2 extra letter(s) - “roc” sits inside “rocca”. Our composite confusion score for this pair is 51908, derived from the frequency rank of both members and their visual similarity.
roc is recorded at frequency rank #10,935, classified as anoun, pronounced \ʁɔk\. rocca is at rank #40,973, tagged as anoun, pronounced \rɔk.ka\.
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 51908, this pair ranks #151,546 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of roc vs rocca
Shared letters: cor. Private to "roc": -. Private to "rocca": a.
"roc" · 3 letters · shape CVC · "rocca" · 5 letters · shape CVCCV
Known mistypes of this pair
- rocca ← orcca · rcoca · roca · rocac · rrocca
Frequently Asked Questions
Is swapping "roc" for "rocca" ever safe?
Frequency check: "roc" vs "rocca" - which ranks higher?
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 "roc" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rocca" - compare definitions side by side with the headword page. Word entry
- This pair ranks #151,546 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "roc" and "rocca" also get mixed up with nearby pairs, the highest-scored neighbour is "rocca vs roya". 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 #151,546 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.