Which to use
“luis” is a verb and “lupin” is a noun - they look or sound alike but fill different roles in a sentence.
- #6,627
- “luis” frequency rank
- #34,171
- “lupin” frequency rank
- 40798
- confusion score
Side-by-Side Comparison
| Feature | luis | lupin |
|---|---|---|
| Definition | Première personne du singulier du présent de l’indicatif de luire. | Fabacée à feuilles disposées en éventail. → voir Lupinus |
Where the eye mixes luis and lupin
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. luis runs 4 letters (CVVC) against lupin's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between luis and lupin
These two trip readers on the page rather than in the ear: luis is \lɥi\ while lupin is \ly.pɛ̃\. 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 40798, derived from the frequency rank of both members and their visual similarity.
luis is recorded at frequency rank #6,627, classified as averb, pronounced \lɥi\. lupin is at rank #34,171, tagged as anoun, pronounced \ly.pɛ̃\.
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 40798, this pair ranks #237,825 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of luis vs lupin
Shared letters: ilu. Private to "luis": s. Private to "lupin": np.
"luis" · 4 letters · shape CVVC · "lupin" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "luis" and "lupin" be used interchangeably?
Frequency check: "luis" vs "lupin" - which ranks higher?
What to do next
Eye-level mix-up between "luis" and "lupin" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "luis" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lupin" - compare definitions side by side with the headword page. Word entry
- This pair ranks #237,825 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "luis" and "lupin" also get mixed up with nearby pairs, the highest-scored neighbour is "login vs lupin". 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 #237,825 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.