RAHvsrogWhich spelling fits?

Which to use

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

#32,548
“RAH” frequency rank
#49,334
“rog” frequency rank
81882
confusion score

Side-by-Side Comparison

Feature RAH rog
Definition Méthode d’extraction consistant a injecter divers gaz, liquides ou du plasma dans une réserve souterraine de pétrole afin de récupérer le pétrole entrainé. « ? » ou point d’interrogation

Where the eye mixes RAH and rog

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

3 ch
RAH
3 ch
rog

Look-alike desk: RAH vs rog

A purely visual mix-up. RAH (\ɛʁ.ɑ.aʃ\) and rog (\ʁɔɡ\) 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 81882, derived from the frequency rank of both members and their visual similarity.

RAH is recorded at frequency rank #32,548, classified as anoun, pronounced \ɛʁ.ɑ.aʃ\. 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 81882, this pair ranks #17,861 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of RAH vs rog

Shared letters: r. Private to "RAH": ah. Private to "rog": go.

"RAH" · 3 letters · shape CVC  ·  "rog" · 3 letters · shape CVC

Frequently Asked Questions

Do "RAH" and "rog" mean the same thing in a sentence?
No. They are said differently (\ɛʁ.ɑ.aʃ\ versus \ʁɔɡ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "RAH" vs "rog" - which ranks higher?
"RAH" is the more common of the two: it sits at frequency rank #32,548 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

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "RAH" 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 #17,861 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "RAH" and "rog" also get mixed up with nearby pairs, the highest-scored neighbour is "rog vs roya". Nearby pair

Confusion rank #17,861 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