razvsRFFTell them apart

Which to use

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

#21,750
“raz” frequency rank
#48,763
“RFF” frequency rank
70513
confusion score

Side-by-Side Comparison

Feature raz RFF
Definition Courant marin violent qui se fait sentir dans un détroit, dans un canal entre deux terres rapprochées. Réseau ferré de France

Letter map: raz vs RFF

Shared letters muted; letters that set raz and RFF apart highlighted. Shared run: 1. raz (CVC) and RFF (CCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
raz
3 ch
RFF

Corpus notes: raz and RFF

raz and RFF are indexed as a confusable French pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 70513, derived from the frequency rank of both members and their visual similarity.

raz is recorded at frequency rank #21,750, classified as anoun, pronounced \ʁa\. RFF is at rank #48,763, tagged as anoun.

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 70513, this pair ranks #51,051 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of raz vs RFF

Shared letters: r. Private to "raz": az. Private to "RFF": f.

"raz" · 3 letters · shape CVC  ·  "RFF" · 3 letters · shape CCC

Frequently Asked Questions

Can "raz" and "RFF" be used interchangeably?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "raz" vs "RFF" - which ranks higher?
"raz" is the more common of the two: it sits at frequency rank #21,750 in our French list, against #48,763 for "RFF". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "raz" and "RFF".

  • Full dictionary entry for "raz" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "RFF" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #51,051 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "raz" and "RFF" also get mixed up with nearby pairs, the highest-scored neighbour is "RFF vs rog". Nearby pair

Confusion rank #51,051 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