Which to use
“luce” is a verb and “lui” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #21,994
- “luce” frequency rank
- #68
- “lui” frequency rank
- 22062
- confusion score
Side-by-Side Comparison
| Feature | luce | lui |
|---|---|---|
| Definition | Luire. | Pronom clitique de la troisième personne du singulier épicène du complément d’objet indirect. |
Where the eye mixes luce and lui
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses luce with lui
These two trip readers on the page rather than in the ear: luce is \ˈlu.ʧe\ while lui is \lɥi\. 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 pronoun), which is usually the fastest check. Our composite confusion score for this pair is 22062, derived from the frequency rank of both members and their visual similarity.
luce is recorded at frequency rank #21,994, classified as averb, pronounced \ˈlu.ʧe\. lui is at rank #68, tagged as apron, pronounced \lɥi\.
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 22062, this pair ranks #360,009 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of luce vs lui
Shared letters: lu. Private to "luce": ce. Private to "lui": i.
"luce" · 4 letters · shape CVCV · "lui" · 3 letters · shape CVV
Known mistypes of this pair
- luce ← lcue · lluce · lucce · luec · ulce
Frequently Asked Questions
Is swapping "luce" for "lui" ever safe?
Which is more common, "luce" or "lui"?
What to do next
Eye-level mix-up between "luce" and "lui" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "luce" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lui" - compare definitions side by side with the headword page. Word entry
- This pair ranks #360,009 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "luce" and "lui" also get mixed up with nearby pairs, the highest-scored neighbour is "luce vs lure". 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 #360,009 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.