RockvsrogConfusable pair

Quick tell: Rock is a name, rog is a noun, so they fill different roles in a sentence.

Which to use

“Rock” is a name and “rog” is a noun - they look or sound alike but fill different roles in a sentence.

#2,693
“Rock” frequency rank
#49,334
“rog” frequency rank
52027
confusion score

Side-by-Side Comparison

Feature Rock rog
Definition Nom de famille anglophone. « ? » ou point d’interrogation

Letter map: Rock vs rog

Shared letters muted; letters that set Rock and rog apart highlighted. Shared run: 2.

4 ch
Rock
3 ch
rog

Grammar separator: Rock vs rog

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Rock is aname and roganoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 52027, derived from the frequency rank of both members and their visual similarity.

Rock is recorded at frequency rank #2,693, classified as aname. rog is at rank #49,334, tagged as anoun, pronounced \ʁɔɡ\.

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 52027, this pair ranks #150,697 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Rock vs rog

Shared letters: or. Private to "Rock": ck. Private to "rog": g.

"Rock" · 4 letters · shape CVCC  ·  "rog" · 3 letters · shape CVC

Known mistypes of this pair

  • Rockorck · rcok · rocck · rockk · rokc · rrock

Frequently Asked Questions

Is swapping "Rock" for "rog" ever safe?
No - they are not even the same part of speech. "Rock" is a name and "rog" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Rock" vs "rog" - which ranks higher?
"Rock" is the more common of the two: it sits at frequency rank #2,693 in our French list, against #49,334 for "rog". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "Rock" and "rog".

  • Full dictionary entry for "Rock" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rog" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #150,697 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Rock" and "rog" also get mixed up with nearby pairs, the highest-scored neighbour is "rog 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 #150,697 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