Which to use
“leçon” is a noun and “Luchon” is a name - they look or sound alike but fill different roles in a sentence.
- #3,467
- “leçon” frequency rank
- #48,648
- “Luchon” frequency rank
- 52115
- confusion score
Side-by-Side Comparison
| Feature | leçon | Luchon |
|---|---|---|
| Definition | Petite portion d’une discipline enseignée à un groupe de personnes ou à une seule personne. | Nom courant de la commune française de Bagnères-de-Luchon, située dans le département de la Haute-Garonne. |
Where the eye mixes leçon and Luchon
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. leçon runs 5 letters (CVCVC) against Luchon's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: leçon vs Luchon
These two trip readers on the page rather than in the ear: leçon is \lə.sɔ̃\ while Luchon is \ly.ʃɔ̃\. 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 (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 52115, 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\. Luchon is at rank #48,648, tagged as aname, pronounced \ly.ʃɔ̃\.
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 52115, this pair ranks #150,067 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of leçon vs Luchon
Shared letters: lno. Private to "leçon": eç. Private to "Luchon": chu.
"leçon" · 5 letters · shape CVCVC · "Luchon" · 6 letters · shape CVCCVC
Known mistypes of this pair
- Luchon ← lcuhon · lluchon · lucchon · luchhon · luchno · luchonn · lucohn · luhcon
Frequently Asked Questions
Is swapping "leçon" for "Luchon" ever safe?
Frequency check: "leçon" vs "Luchon" - which ranks higher?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "leçon" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Luchon" - compare definitions side by side with the headword page. Word entry
- This pair ranks #150,067 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "leçon" and "Luchon" also get mixed up with nearby pairs, the highest-scored neighbour is "Luchon vs Luçon". 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 #150,067 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.