librevslierreWhat's the difference?

Quick tell: libre is a adjective, lierre is a noun, so they fill different roles in a sentence.

Which to use

“libre” is an adjective and “lierre” is a noun - they look or sound alike but fill different roles in a sentence.

#648
“libre” frequency rank
#32,047
“lierre” frequency rank
32695
confusion score

Side-by-Side Comparison

Feature libre lierre
Definition Qui a le pouvoir de faire ce qu’il veut, d’agir ou de ne pas agir, par opposition à esclave, servile, ou par opposition à captif, prisonnier. Nom usuel des représentants du genre Hedera, plantes sempervirentes, qui rampent à terre ou qui grimpent le long des murailles et autour des arbres et dont le type est le lierre grimpant ou Hedera helix.

Where the eye mixes libre and lierre

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. libre runs 5 letters (CVCCV) against lierre's 6 (CVVCCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
libre
6 ch
lierre

Look-alike desk: libre vs lierre

These two trip readers on the page rather than in the ear: libre is \libʁ\ while lierre is \ljɛʁ\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 32695, derived from the frequency rank of both members and their visual similarity.

libre is recorded at frequency rank #648, classified as anadj, pronounced \libʁ\. lierre is at rank #32,047, tagged as anoun, pronounced \ljɛʁ\.

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 32695, this pair ranks #295,553 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of libre vs lierre

Shared letters: eilr. Private to "libre": b. Private to "lierre": -.

"libre" · 5 letters · shape CVCCV  ·  "lierre" · 6 letters · shape CVVCCV

Known mistypes of this pair

  • libre ← ilbre · lbire · libbre · librre · lirbe · llibre
  • lierre ← ilerre · leirre · liere · lierer · lirere · llierre

Frequently Asked Questions

Can "libre" and "lierre" be used interchangeably?
No - they are not even the same part of speech. "libre" is an adjective and "lierre" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "libre" or "lierre" show up more?
"libre" is the more common of the two: it sits at frequency rank #648 in our French list, against #32,047 for "lierre". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "libre" and "lierre" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "libre" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lierre" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #295,553 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "libre" and "lierre" also get mixed up with nearby pairs, the highest-scored neighbour is "lierre vs Littré". 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 #295,553 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