RG vs roc, What's the Difference?

Which to use

“RG” and “roc” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#24,747
“RG” frequency rank: #10,935
“roc” frequency rank: 35682
confusion score

Side-by-Side Comparison

Feature	RG	roc
Definition	Membre des services de renseignements de l’État français.	Masse de pierre très dure, qui tient au sol.

Where the eye mixes RG and roc

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

2 ch

3 ch

roc

Look-alike desk: RG vs roc

A purely visual mix-up. RG (\ɛʁ.ʒe\) 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 35682, derived from the frequency rank of both members and their visual similarity.

RG is recorded at frequency rank #24,747, classified as anoun, pronounced \ɛʁ.ʒe\. 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 35682, this pair ranks #274,989 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of RG vs roc

Shared letters: r. Private to "RG": g. Private to "roc": co.

"RG" · 2 letters · shape CC · "roc" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "RG" for "roc" ever safe?

No. They are said differently (\ɛʁ.ʒe\ versus \ʁɔk\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Frequency check: "RG" vs "roc" - which ranks higher?

"roc" is the more common of the two: it sits at frequency rank #10,935 in our French list, against #24,747 for "RG". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "RG" 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 #274,989 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"RG" and "roc" also get mixed up with nearby pairs, the highest-scored neighbour is "RG vs rog". Nearby pair

Confusion rank #274,989 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.