laissesvslasserWhich spelling fits?

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

Which to use

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

#10,184
“laisses” frequency rank
#19,580
“lasser” frequency rank
29764
confusion score

Side-by-Side Comparison

Feature laisses lasser
Definition Pluriel de laisse. Rendre las.

Where the eye mixes laisses and lasser

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. laisses runs 7 letters (CVVCCVC) against lasser's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
laisses
6 ch
lasser

Visual trap between laisses and lasser

These two trip readers on the page rather than in the ear: laisses is \lɛs\ while lasser is \lɑ.se\. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 29764, derived from the frequency rank of both members and their visual similarity.

laisses is recorded at frequency rank #10,184, 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 29764, this pair ranks #314,650 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of laisses vs lasser

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

"laisses" · 7 letters · shape CVVCCVC  ·  "lasser" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • laisses ← alisses · laisess · laissess · laissse · lasises · llaisses
  • lasser ← alsser · lasesr · lasserr · lassre · llasser · lsaser

Frequently Asked Questions

Do "laisses" and "lasser" mean the same thing in a sentence?
No - they are not even the same part of speech. "laisses" is a noun and "lasser" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "laisses" or "lasser" show up more?
"laisses" is the more common of the two: it sits at frequency rank #10,184 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.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "laisses" 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 #314,650 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "laisses" 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 #314,650 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