Which to use
“leçon” is a noun and “Luçon” is a name - they look or sound alike but fill different roles in a sentence.
- #3,467
- “leçon” frequency rank
- #40,360
- “Luçon” frequency rank
- 43827
- confusion score
Side-by-Side Comparison
| Feature | leçon | Luçon |
|---|---|---|
| Definition | Petite portion d’une discipline enseignée à un groupe de personnes ou à une seule personne. | Commune française, située dans le département de la Vendée. |
Letter map: leçon vs Luçon
Shared letters muted; letters that set leçon and Luçon apart highlighted. Shared run: 4. leçon and Luçon follow the identical consonant-vowel pattern (CVCVC). Same shape at a glance is often the real trap, independent of shared letters.
Role in the sentence - leçon and Luçon
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: leçon is anoun and Luçonaname. On the page they differ by a single letter - e in “leçon” becomes u in “Luçon”. Our composite confusion score for this pair is 43827, derived from the frequency rank of both members and their visual similarity.
leçon is recorded at frequency rank #3,467, classified as anoun, pronounced \lə.sɔ̃\. Luçon is at rank #40,360, tagged as aname.
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 43827, this pair ranks #215,080 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of leçon vs Luçon
Shared letters: lnoç. Private to "leçon": e. Private to "Luçon": u.
"leçon" · 5 letters · shape CVCVC · "Luçon" · 5 letters · shape CVCVC
Frequently Asked Questions
Can "leçon" and "Luçon" be used interchangeably?
Frequency check: "leçon" vs "Luçon" - which ranks higher?
What to do next
Pair "leçon" vs "Luçon" is on the table, pick a follow-up below.
- Full dictionary entry for "leçon" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Luçon" - compare definitions side by side with the headword page. Word entry
- This pair ranks #215,080 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "leçon" and "Luçon" also get mixed up with nearby pairs, the highest-scored neighbour is "Luchon vs Luçon". Nearby pair
Confusion rank #215,080 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.