rvsRfWhat's the difference?

Quick tell: r is a character, Rf is a symbol, so they fill different roles in a sentence.

Which to use

“r” is a character and “Rf” is a symbol - they look or sound alike but fill different roles in a sentence.

#637
“r” frequency rank
#32,566
“Rf” frequency rank
33203
confusion score

Side-by-Side Comparison

Feature r Rf
Definition Dix-huitième lettre et quatorzième consonne de l’alphabet (minuscule). Symbole de la rufiyaa, la roupie maldivienne.

Letter map: r vs Rf

Shared letters muted; letters that set r and Rf apart highlighted. Shared run: 1.

1 ch
r
2 ch
Rf

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: r is acharacter and Rfasymbol. On the page they differ by 1 extra letter(s) - “r” sits inside “Rf”. Our composite confusion score for this pair is 33203, derived from the frequency rank of both members and their visual similarity.

r is recorded at frequency rank #637, classified as acharacter, pronounced \ɛʁ\. Rf is at rank #32,566, tagged as asymbol.

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 33203, this pair ranks #292,194 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of r vs Rf

Shared letters: r. Private to "r": -. Private to "Rf": f.

"r" · 1 letters · shape C  ·  "Rf" · 2 letters · shape CC

Frequently Asked Questions

Can "r" and "Rf" be used interchangeably?
No - they are not even the same part of speech. "r" is a character and "Rf" a symbol, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "r" or "Rf"?
"r" is the more common of the two: it sits at frequency rank #637 in our French list, against #32,566 for "Rf". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "r" and "Rf". Here's where to go from here.

  • Full dictionary entry for "r" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Rf" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #292,194 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "r" and "Rf" also get mixed up with nearby pairs, the highest-scored neighbour is "Rf vs rog". Nearby pair

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list