Which to use
“radis” and “RDI” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #29,099
- “radis” frequency rank
- #42,565
- “RDI” frequency rank
- 71664
- confusion score
Side-by-Side Comparison
| Feature | radis | RDI |
|---|---|---|
| Definition | Légume potager du genre Raphanus (famille des Brassicaceae), dont la racine est comestible. | Abréviation de rendement de l’investissement. |
Where the eye mixes radis and RDI
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. radis runs 5 letters (CVCVC) against RDI's 3 (CCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between radis and RDI
A purely visual mix-up. radis (\ʁa.di\) and RDI (\ɛʁ.de.i\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 71664, derived from the frequency rank of both members and their visual similarity.
radis is recorded at frequency rank #29,099, classified as anoun, pronounced \ʁa.di\. RDI is at rank #42,565, tagged as anoun, pronounced \ɛʁ.de.i\.
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 71664, this pair ranks #46,753 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of radis vs RDI
Shared letters: dir. Private to "radis": as. Private to "RDI": -.
"radis" · 5 letters · shape CVCVC · "RDI" · 3 letters · shape CCV
Known mistypes of this pair
- radis ← ardis · raddis · radiss · radsi · rdais · rradis
Frequently Asked Questions
Do "radis" and "RDI" mean the same thing in a sentence?
Frequency check: "radis" vs "RDI" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "radis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "RDI" - compare definitions side by side with the headword page. Word entry
- This pair ranks #46,753 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "radis" and "RDI" also get mixed up with nearby pairs, the highest-scored neighbour is "RDI vs Reis". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #46,753 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.