lâchervslasserConfusable pair

Which to use

“lâcher” and “lasser” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#4,689
“lâcher” frequency rank
#19,580
“lasser” frequency rank
24269
confusion score

Side-by-Side Comparison

Feature lâcher lasser
Definition Détendre, desserrer quelque chose. Rendre las.

Where the eye mixes lâcher and lasser

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

6 ch
lâcher
6 ch
lasser

Visual trap between lâcher and lasser

A purely visual mix-up. lâcher (\lɑ.ʃe\) and lasser (\lɑ.se\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 24269, derived from the frequency rank of both members and their visual similarity.

lâcher is recorded at frequency rank #4,689, classified as averb, pronounced \lɑ.ʃe\. lasser is at rank #19,580, tagged as averb, pronounced \lɑ.se\.

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 24269, this pair ranks #347,583 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lâcher vs lasser

Shared letters: elr. Private to "lâcher": châ. Private to "lasser": as.

"lâcher" · 6 letters · shape CVCCVC  ·  "lasser" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • lasseralsser · lasesr · lasserr · lassre · llasser · lsaser

Frequently Asked Questions

Is swapping "lâcher" for "lasser" ever safe?
No. They are said differently (\lɑ.ʃe\ versus \lɑ.se\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "lâcher" vs "lasser" - which ranks higher?
"lâcher" is the more common of the two: it sits at frequency rank #4,689 in our French list, against #19,580 for "lasser". 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 "lâcher" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lasser" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #347,583 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "lâcher" and "lasser" also get mixed up with nearby pairs, the highest-scored neighbour is "lasser vs looser". 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 #347,583 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