RochvsroiWhat's the difference?

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

Which to use

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

#14,138
“Roch” frequency rank
#547
“roi” frequency rank
14685
confusion score

Side-by-Side Comparison

Feature Roch roi
Definition Prénom masculin. Titre porté par celui qui règne sur un peuple, un État, en particulier un État monarchique, et qui tient sa fonction de l’hérédité ou de l’élection ; celui qui est à la tête d’un royaume.

Where the eye mixes Roch and roi

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
Roch
3 ch
roi

Look-alike desk: Roch vs roi

These two trip readers on the page rather than in the ear: Roch is \ʁɔk\ while roi is \ʁwa\. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 14685, derived from the frequency rank of both members and their visual similarity.

Roch is recorded at frequency rank #14,138, classified as aname, pronounced \ʁɔk\. roi is at rank #547, tagged as anoun, pronounced \ʁwa\.

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 14685, this pair ranks #395,627 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Roch vs roi

Shared letters: or. Private to "Roch": ch. Private to "roi": i.

"Roch" · 4 letters · shape CVCC  ·  "roi" · 3 letters · shape CVV

Known mistypes of this pair

  • Rochorch · rcoh · rocch · rochh · rohc · rroch

Frequently Asked Questions

Is swapping "Roch" for "roi" ever safe?
No - they are not even the same part of speech. "Roch" is a name and "roi" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Roch" vs "roi" - which ranks higher?
"roi" is the more common of the two: it sits at frequency rank #547 in our French list, against #14,138 for "Roch". 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 "Roch" and "roi" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Roch" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "roi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #395,627 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Roch" and "roi" also get mixed up with nearby pairs, the highest-scored neighbour is "Roch 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 #395,627 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