laissevslasserConfusable pair

Quick tell: laisse is a noun, lasser is a verb, so they fill different roles in a sentence.

Which to use

“laisse” is a noun and “lasser” is a verb - they look or sound alike but fill different roles in a sentence.

#555
“laisse” frequency rank
#19,580
“lasser” frequency rank
20135
confusion score

Side-by-Side Comparison

Feature laisse lasser
Definition Corde ou lanière dont on se sert pour mener un chien seul ou des chiens attachés ensemble. Rendre las.

Where the eye mixes laisse and lasser

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
laisse
6 ch
lasser

Visual trap between laisse and lasser

These two trip readers on the page rather than in the ear: laisse is \lɛs\ while lasser is \lɑ.se\. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 20135, derived from the frequency rank of both members and their visual similarity.

laisse is recorded at frequency rank #555, classified as anoun, pronounced \lɛs\. 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 20135, this pair ranks #369,782 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of laisse vs lasser

Shared letters: aels. Private to "laisse": i. Private to "lasser": r.

"laisse" · 6 letters · shape CVVCCV  ·  "lasser" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • laissealisse · laise · laises · lasise · llaisse
  • lasseralsser · lasesr · lasserr · lassre · llasser · lsaser

Frequently Asked Questions

Can "laisse" and "lasser" be used interchangeably?
No - they are not even the same part of speech. "laisse" is a noun and "lasser" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "laisse" vs "lasser" - which ranks higher?
"laisse" is the more common of the two: it sits at frequency rank #555 in our French list, against #19,580 for "lasser". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "laisse" 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 #369,782 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "laisse" 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 #369,782 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