RAFvsroyWhich spelling fits?

Quick tell: RAF is a name, roy is a noun, so they fill different roles in a sentence.

Which to use

“RAF” is a name and “roy” is a noun - they look or sound alike but fill different roles in a sentence.

#29,501
“RAF” frequency rank
#3,220
“roy” frequency rank
32721
confusion score

Side-by-Side Comparison

Feature RAF roy
Definition Royal Air Force. De 1694 à 1740 : Orthographe de l’Académie française de roi.

Where the eye mixes RAF and roy

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
RAF
3 ch
roy

Why the eye confuses RAF with roy

These two trip readers on the page rather than in the ear: RAF is \ɛ.ʁa.ɛf\ while roy is \ʁwa\. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 32721, derived from the frequency rank of both members and their visual similarity.

RAF is recorded at frequency rank #29,501, classified as aname, pronounced \ɛ.ʁa.ɛf\. roy is at rank #3,220, tagged as anoun, pronounced \ʁwa\.

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 32721, this pair ranks #295,380 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of RAF vs roy

Shared letters: r. Private to "RAF": af. Private to "roy": oy.

"RAF" · 3 letters · shape CVC  ·  "roy" · 3 letters · shape CVV

Frequently Asked Questions

Is swapping "RAF" for "roy" ever safe?
No - they are not even the same part of speech. "RAF" is a name and "roy" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "RAF" or "roy"?
"roy" is the more common of the two: it sits at frequency rank #3,220 in our French list, against #29,501 for "RAF". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "RAF" and "roy" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "RAF" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "roy" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #295,380 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "RAF" and "roy" also get mixed up with nearby pairs, the highest-scored neighbour is "RAF vs RAMQ". Nearby pair

Confusion rank #295,380 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