libertinvslibertineWhich spelling fits?

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

Which to use

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

#31,120
“libertin” frequency rank
#31,580
“libertine” frequency rank
62700
confusion score

Side-by-Side Comparison

Feature libertin libertine
Definition Qui est déréglé dans ses mœurs, dans sa conduite. Personne qui s’écarte volontairement des règles imposées par la morale de son temps et de son milieu.

Where the eye mixes libertin and libertine

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. libertin runs 8 letters (CVCVCCVC) against libertine's 9 (CVCVCCVCV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
libertin
9 ch
libertine

Visual trap between libertin and libertine

These two trip readers on the page rather than in the ear: libertin is \li.bɛʁ.tɛ̃\ while libertine is \li.bɛʁ.tin\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “libertin” sits inside “libertine”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 62700, derived from the frequency rank of both members and their visual similarity.

libertin is recorded at frequency rank #31,120, classified as anadj, pronounced \li.bɛʁ.tɛ̃\. libertine is at rank #31,580, tagged as anoun, pronounced \li.bɛʁ.tin\.

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 62700, this pair ranks #85,774 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of libertin vs libertine

Shared letters: beilnrt. Private to "libertin": -. Private to "libertine": -.

"libertin" · 8 letters · shape CVCVCCVC  ·  "libertine" · 9 letters · shape CVCVCCVCV

Known mistypes of this pair

  • libertinilbertin · lbiertin · libbertin · liberitn · liberrtin · libertinn · libertni · liberttin
  • libertineilbertine · lbiertine · libbertine · liberitne · liberrtine · libertien · libertinne · libertnie

Frequently Asked Questions

Is swapping "libertin" for "libertine" ever safe?
No - they are not even the same part of speech. "libertin" is an adjective and "libertine" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "libertin" vs "libertine" - which ranks higher?
"libertin" is the more common of the two: it sits at frequency rank #31,120 in our French list, against #31,580 for "libertine". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "libertin" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "libertine" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #85,774 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "libertin" and "libertine" also get mixed up with nearby pairs, the highest-scored neighbour is "libertine vs libertins". 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 #85,774 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