lancervslasserWhat's the difference?

Which to use

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

#1,742
“lancer” frequency rank
#19,580
“lasser” frequency rank
21322
confusion score

Side-by-Side Comparison

Feature lancer lasser
Definition Jeter en avant avec force, avec raideur, pour atteindre au loin. Rendre las.

Where the eye mixes lancer and lasser

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
lancer
6 ch
lasser

Look-alike desk: lancer vs lasser

A purely visual mix-up. lancer (\lɑ̃.se\) 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 2 positions. Our composite confusion score for this pair is 21322, derived from the frequency rank of both members and their visual similarity.

lancer is recorded at frequency rank #1,742, classified as averb, pronounced \lɑ̃.se\. 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 21322, this pair ranks #363,766 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lancer vs lasser

Shared letters: aelr. Private to "lancer": cn. Private to "lasser": s.

"lancer" · 6 letters · shape CVCCVC  ·  "lasser" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • lanceralncer · lacner · lanccer · lancerr · lancre · lanecr · lanncer · llancer
  • lasseralsser · lasesr · lasserr · lassre · llasser · lsaser

Frequently Asked Questions

Can "lancer" and "lasser" be used interchangeably?
No. They are said differently (\lɑ̃.se\ versus \lɑ.se\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "lancer" vs "lasser" - which ranks higher?
"lancer" is the more common of the two: it sits at frequency rank #1,742 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.

Useful next steps

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

  • Full dictionary entry for "lancer" 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 #363,766 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "lancer" 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 #363,766 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