libvsluiWhich spelling fits?

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

Which to use

“lib” is a noun and “lui” is a pronoun - they look or sound alike but fill different roles in a sentence.

#26,785
“lib” frequency rank
#68
“lui” frequency rank
26853
confusion score

Side-by-Side Comparison

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

Where the eye mixes lib and lui

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
lib
3 ch
lui

Look-alike desk: lib vs lui

These two trip readers on the page rather than in the ear: lib is \lib\ while lui is \lɥi\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 26853, derived from the frequency rank of both members and their visual similarity.

lib is recorded at frequency rank #26,785, classified as anoun, pronounced \lib\. lui is at rank #68, tagged as apron, pronounced \lɥi\.

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 26853, this pair ranks #332,459 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lib vs lui

Shared letters: il. Private to "lib": b. Private to "lui": u.

"lib" · 3 letters · shape CVC  ·  "lui" · 3 letters · shape CVV

Frequently Asked Questions

Do "lib" and "lui" mean the same thing in a sentence?
No - they are not even the same part of speech. "lib" is a noun and "lui" a pronoun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "lib" or "lui" show up more?
"lui" is the more common of the two: it sits at frequency rank #68 in our French list, against #26,785 for "lib". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "lib" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lui" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #332,459 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "lib" and "lui" also get mixed up with nearby pairs, the highest-scored neighbour is "lib vs lobo". Nearby pair

Confusion rank #332,459 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