leçonsvsLonsWhich spelling fits?

Quick tell: leçons is a noun, Lons is a name, so they fill different roles in a sentence.

Which to use

“leçons” is a noun and “Lons” is a name - they look or sound alike but fill different roles in a sentence.

#4,346
“leçons” frequency rank
#36,034
“Lons” frequency rank
40380
confusion score

Side-by-Side Comparison

Feature leçons Lons
Definition Pluriel de leçon. Nom de famille.

Letter map: leçons vs Lons

Shared letters muted; letters that set leçons and Lons apart highlighted. Shared run: 4. leçons runs 6 letters (CVCVCC) against Lons's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
leçons
4 ch
Lons

Grammar separator: leçons vs Lons

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: leçons is anoun and Lonsaname. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 40380, derived from the frequency rank of both members and their visual similarity.

leçons is recorded at frequency rank #4,346, classified as anoun, pronounced \lə.sɔ̃\. Lons is at rank #36,034, 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 40380, this pair ranks #240,956 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of leçons vs Lons

Shared letters: lnos. Private to "leçons": eç. Private to "Lons": -.

"leçons" · 6 letters · shape CVCVCC  ·  "Lons" · 4 letters · shape CVCC

Known mistypes of this pair

  • Lons ← llons · lnos · lonns · lonss · losn · olns

Frequently Asked Questions

Do "leçons" and "Lons" mean the same thing in a sentence?
No - they are not even the same part of speech. "leçons" is a noun and "Lons" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "leçons" or "Lons"?
"leçons" is the more common of the two: it sits at frequency rank #4,346 in our French list, against #36,034 for "Lons". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "leçons" and "Lons".

  • Full dictionary entry for "leçons" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Lons" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #240,956 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "leçons" and "Lons" also get mixed up with nearby pairs, the highest-scored neighbour is "longo vs Lons". 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 #240,956 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list