luivsluneWhat's the difference?

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

Side-by-Side Comparison

Feature lui lune
Definition Pronom clitique de la troisième personne du singulier épicène du complément d’objet indirect. 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.

Letter-by-Letter Comparison

Word Length Comparison: lui vs lune

lui (3 letters)3lune (4 letters)4
Word Length Comparison: lui vs lune

Spelling & Dictionary Insight

lui and lune form a confusable pair in the French index, two distinct headwords that writers substitute for each other because they look alike, sound alike, or both. The pair differs by 1 letter(s) in length, which is exactly the edit distance at which substitution errors are most common: close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 2113, derived from the frequency rank of both members and their visual similarity.

Side-by-side the two words carry different dictionary signatures. lui is recorded at frequency rank #68, classified as apron, pronounced \lɥi\. lune is at rank #2,045, tagged as anoun, pronounced \lyn\. When the two words belong to different parts of speech, sentence grammar alone usually resolves the confusion; when they share a part of speech, only semantic context separates them, which is why the pair earns a dedicated lookup page.

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. Automated spell-checkers cannot flag confusable substitution because every member of the pair is a valid dictionary word, only the writer, or a grammar/context tool, can confirm that the chosen spelling matches the intended meaning. PlainSpell's confusable index exists precisely to make that contextual choice explicit.

Frequency comparison

lui#68
lune#2,045

Source: Wordfreq corpus

Frequently Asked Questions

Can "lui" and "lune" be used interchangeably?
No, "lui" and "lune" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.
Where can I learn more about commonly confused words?
PlainSpell provides side-by-side comparisons for thousands of confusable word pairs across English, Spanish, Portuguese, French, and German. Browse all confusable pairs or check our spelling guides for additional tips and memory tricks.

Nearby confusable pairs

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