Which to use
“roh” is an intj and “RSF” is a noun - they look or sound alike but fill different roles in a sentence.
- #24,371
- “roh” frequency rank
- #44,703
- “RSF” frequency rank
- 69074
- confusion score
Side-by-Side Comparison
| Feature | roh | RSF |
|---|---|---|
| Definition | Marque l’agacement, voire l’exaspération. | Abréviation de réacteur à sels fondus. |
Where the eye mixes roh and RSF
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses roh with RSF
These two trip readers on the page rather than in the ear: roh is \ʁo\ while RSF is \ɛ.ʁɛ.sɛf\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (intj vs noun), which is usually the fastest check. Our composite confusion score for this pair is 69074, derived from the frequency rank of both members and their visual similarity.
roh is recorded at frequency rank #24,371, classified as anintj, pronounced \ʁo\. RSF is at rank #44,703, tagged as anoun, pronounced \ɛ.ʁɛ.sɛf\.
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 69074, this pair ranks #56,574 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of roh vs RSF
Shared letters: r. Private to "roh": ho. Private to "RSF": fs.
"roh" · 3 letters · shape CVC · "RSF" · 3 letters · shape CCC
Frequently Asked Questions
Is swapping "roh" for "RSF" ever safe?
In ordinary French text, does "roh" or "RSF" show up more?
After this comparison
Eye-level mix-up between "roh" and "RSF" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "roh" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "RSF" - compare definitions side by side with the headword page. Word entry
- This pair ranks #56,574 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "roh" and "RSF" also get mixed up with nearby pairs, the highest-scored neighbour is "rog vs RSF". Nearby pair
Confusion rank #56,574 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.