Which to use
“rein” and “Reis” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,931
- “rein” frequency rank
- #49,902
- “Reis” frequency rank
- 60833
- confusion score
Side-by-Side Comparison
| Feature | rein | Reis |
|---|---|---|
| Definition | Organe pair, situé dans l’abdomen, en arrière du péritoine, au niveau de la douzième paire de côtes (flottantes), qui assure, par filtration et excrétion d’urine, l’élimination des toxiques et l’équilibre hydroélectrolytique du sang et de l’organisme en général. | Riz. |
Where the eye mixes rein and Reis
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. rein and Reis follow the identical consonant-vowel pattern (CVVC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses rein with Reis
A purely visual mix-up. rein (\ʁɛ̃\) and Reis (\raɪ̯s\) 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 a single letter - n in “rein” becomes s in “Reis”. Our composite confusion score for this pair is 60833, derived from the frequency rank of both members and their visual similarity.
rein is recorded at frequency rank #10,931, classified as anoun, pronounced \ʁɛ̃\. Reis is at rank #49,902, tagged as anoun, pronounced \raɪ̯s\.
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 60833, this pair ranks #95,547 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of rein vs Reis
Shared letters: eir. Private to "rein": n. Private to "Reis": s.
"rein" · 4 letters · shape CVVC · "Reis" · 4 letters · shape CVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "rein" for "Reis" ever safe?
In ordinary French text, does "rein" or "Reis" show up more?
Useful next steps
Eye-level mix-up between "rein" and "Reis" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "rein" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Reis" - compare definitions side by side with the headword page. Word entry
- This pair ranks #95,547 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "rein" and "Reis" also get mixed up with nearby pairs, the highest-scored neighbour is "Reis vs Rhys". 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 #95,547 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.