rogvsrusTell them apart

Which to use

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

#49,334
“rog” frequency rank
#37,537
“rus” frequency rank
86871
confusion score

Side-by-Side Comparison

Feature rog rus
Definition « ? » ou point d’interrogation Pluriel de ru.

Where the eye mixes rog and rus

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. rog and rus follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
rog
3 ch
rus

Look-alike desk: rog vs rus

A purely visual mix-up. rog (\ʁɔɡ\) and rus (\ʁy\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 86871, derived from the frequency rank of both members and their visual similarity.

rog is recorded at frequency rank #49,334, classified as anoun, pronounced \ʁɔɡ\. rus is at rank #37,537, tagged as anoun, pronounced \ʁy\.

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 86871, this pair ranks #9,067 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of rog vs rus

Shared letters: r. Private to "rog": go. Private to "rus": su.

"rog" · 3 letters · shape CVC  ·  "rus" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "rog" for "rus" ever safe?
No. They are said differently (\ʁɔɡ\ versus \ʁy\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "rog" or "rus" show up more?
"rus" is the more common of the two: it sits at frequency rank #37,537 in our French list, against #49,334 for "rog". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "rog" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #9,067 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "rog" and "rus" also get mixed up with nearby pairs, the highest-scored neighbour is "rog vs roya". Nearby pair

Confusion rank #9,067 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