reçuvsrocWhat's the difference?

Quick tell: reçu is a adjective, roc is a noun, so they fill different roles in a sentence.

Which to use

“reçu” is an adjective and “roc” is a noun - they look or sound alike but fill different roles in a sentence.

#813
“reçu” frequency rank
#10,935
“roc” frequency rank
11748
confusion score

Side-by-Side Comparison

Feature reçu roc
Definition Qui est admis, établi, consacré. Masse de pierre très dure, qui tient au sol.

Where the eye mixes reçu and roc

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

4 ch
reçu
3 ch
roc

Why the eye confuses reçu with roc

These two trip readers on the page rather than in the ear: reçu is \ʁə.sy\ while roc is \ʁɔk\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 11748, derived from the frequency rank of both members and their visual similarity.

reçu is recorded at frequency rank #813, classified as anadj, pronounced \ʁə.sy\. 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 11748, this pair ranks #407,961 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of reçu vs roc

Shared letters: r. Private to "reçu": euç. Private to "roc": co.

"reçu" · 4 letters · shape CVCV  ·  "roc" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "reçu" for "roc" ever safe?
No - they are not even the same part of speech. "reçu" is an adjective and "roc" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "reçu" vs "roc" - which ranks higher?
"reçu" is the more common of the two: it sits at frequency rank #813 in our French list, against #10,935 for "roc". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "reçu" and "roc" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "reçu" 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 #407,961 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "reçu" and "roc" also get mixed up with nearby pairs, the highest-scored neighbour is "roc vs roya". Nearby pair

Confusion rank #407,961 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list