Which to use
“regis” is a verb and “rein” is a noun - they look or sound alike but fill different roles in a sentence.
- #34,282
- “regis” frequency rank
- #10,931
- “rein” frequency rank
- 45213
- confusion score
Side-by-Side Comparison
| Feature | regis | rein |
|---|---|---|
| Definition | Passé du verbe regi. | 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. |
Where the eye mixes regis and rein
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between regis and rein
These two trip readers on the page rather than in the ear: regis is \ˈre.ɡis\ while rein is \ʁɛ̃\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 45213, derived from the frequency rank of both members and their visual similarity.
regis is recorded at frequency rank #34,282, classified as averb, pronounced \ˈre.ɡis\. rein is at rank #10,931, tagged as anoun, pronounced \ʁɛ̃\.
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 45213, this pair ranks #204,490 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of regis vs rein
Shared letters: eir. Private to "regis": gs. Private to "rein": n.
"regis" · 5 letters · shape CVCVC · "rein" · 4 letters · shape CVVC
Known mistypes of this pair
Frequently Asked Questions
Do "regis" and "rein" mean the same thing in a sentence?
Which is more common, "regis" or "rein"?
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 "regis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rein" - compare definitions side by side with the headword page. Word entry
- This pair ranks #204,490 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "regis" and "rein" also get mixed up with nearby pairs, the highest-scored neighbour is "regis vs relit". 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 #204,490 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.