Which to use
“RSF” and “rte” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #44,703
- “RSF” frequency rank
- #27,606
- “rte” frequency rank
- 72309
- confusion score
Side-by-Side Comparison
| Feature | RSF | rte |
|---|---|---|
| Definition | Abréviation de réacteur à sels fondus. | Route. |
Where the eye mixes RSF and rte
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. RSF (CCC) and rte (CCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Visual trap between RSF and rte
A purely visual mix-up. RSF (\ɛ.ʁɛ.sɛf\) and rte (\ʁut\) 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 72309, derived from the frequency rank of both members and their visual similarity.
RSF is recorded at frequency rank #44,703, classified as anoun, pronounced \ɛ.ʁɛ.sɛf\. rte is at rank #27,606, tagged as anoun, pronounced \ʁut\.
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 72309, this pair ranks #44,437 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of RSF vs rte
Shared letters: r. Private to "RSF": fs. Private to "rte": et.
"RSF" · 3 letters · shape CCC · "rte" · 3 letters · shape CCV
Frequently Asked Questions
Is swapping "RSF" for "rte" ever safe?
In ordinary French text, does "RSF" or "rte" show up more?
Useful next steps
Eye-level mix-up between "RSF" and "rte" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "RSF" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rte" - compare definitions side by side with the headword page. Word entry
- This pair ranks #44,437 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "RSF" and "rte" also get mixed up with nearby pairs, the highest-scored neighbour is "rog vs RSF". Nearby pair
Confusion rank #44,437 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.