lucevsluneTell them apart

Quick tell: luce is a verb, lune is a noun, so they fill different roles in a sentence.

Which to use

“luce” is a verb and “lune” is a noun - they look or sound alike but fill different roles in a sentence.

#21,994
“luce” frequency rank
#2,045
“lune” frequency rank
24039
confusion score

Side-by-Side Comparison

Feature luce lune
Definition Luire. Satellite naturel de la Terre, qui tourne autour de celle-ci en un cycle de vingt-sept jours sept heures quarante-trois minutes. Le satellite réfléchit sur la Terre la lumière qu’il reçoit du Soleil. Lune s’écrit avec une majuscule en astronomie lorsqu'on s'en sert comme nom propre de cet astre, pour le distinguer des autres satellites naturels.

Where the eye mixes luce and lune

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
luce
4 ch
lune

Why the eye confuses luce with lune

These two trip readers on the page rather than in the ear: luce is \ˈlu.ʧe\ while lune is \lyn\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - c in “luce” becomes n in “lune”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 24039, 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\. lune is at rank #2,045, tagged as anoun, pronounced \lyn\.

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 24039, this pair ranks #348,990 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of luce vs lune

Shared letters: elu. Private to "luce": c. Private to "lune": n.

"luce" · 4 letters · shape CVCV  ·  "lune" · 4 letters · shape CVCV

Known mistypes of this pair

  • lucelcue · lluce · lucce · luec · ulce
  • lunellune · lnue · luen · lunne · ulne

Frequently Asked Questions

Can "luce" and "lune" be used interchangeably?
No - they are not even the same part of speech. "luce" is a verb and "lune" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "luce" vs "lune" - which ranks higher?
"lune" is the more common of the two: it sits at frequency rank #2,045 in our French list, against #21,994 for "luce". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "luce" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lune" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #348,990 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "luce" and "lune" 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 #348,990 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