lierrevsLittréWhat's the difference?

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

Which to use

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

#32,047
“lierre” frequency rank
#48,015
“Littré” frequency rank
80062
confusion score

Side-by-Side Comparison

Feature lierre Littré
Definition 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. Nom de famille français, rendu célèbre par Émile Littré, lexicographe du dix-neuvième siècle.

Where the eye mixes lierre and Littré

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. lierre (CVVCCV) and Littré (CVCCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
lierre
6 ch
Littré

Visual trap between lierre and Littré

These two trip readers on the page rather than in the ear: lierre is \ljɛʁ\ while Littré is \li.tʁe\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 80062, derived from the frequency rank of both members and their visual similarity.

lierre is recorded at frequency rank #32,047, classified as anoun, pronounced \ljɛʁ\. Littré is at rank #48,015, tagged as aname, pronounced \li.tʁe\.

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 80062, this pair ranks #21,821 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of lierre vs Littré

Shared letters: ilr. Private to "lierre": e. Private to "Littré": té.

"lierre" · 6 letters · shape CVVCCV  ·  "Littré" · 6 letters · shape CVCCCV

Known mistypes of this pair

  • lierre ← ilerre · leirre · liere · lierer · lirere · llierre

Frequently Asked Questions

Is swapping "lierre" for "Littré" ever safe?
No - they are not even the same part of speech. "lierre" is a noun and "Littré" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "lierre" or "Littré"?
"lierre" is the more common of the two: it sits at frequency rank #32,047 in our French list, against #48,015 for "Littré". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "lierre" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Littré" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #21,821 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "lierre" and "Littré" also get mixed up with nearby pairs, the highest-scored neighbour is "ligure 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 #21,821 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