lapsevslassieWhat's the difference?

Which to use

“lapse” and “lassie” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#15,206
“lapse” frequency rank
#41,221
“lassie” frequency rank
56427
confusion score

Side-by-Side Comparison

Feature lapse lassie
Definition A temporary failure; a slip. A young girl, a lass, especially one seen as a sweetheart.

Where the eye mixes lapse and lassie

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. lapse runs 5 letters (CVCCV) against lassie's 6 (CVCCVV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
lapse
6 ch
lassie

Look-alike desk: lapse vs lassie

A purely visual mix-up. lapse (/læps/) and lassie (/ˈlæsi/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 56427, derived from the frequency rank of both members and their visual similarity.

lapse is recorded at frequency rank #15,206, classified as anoun, pronounced /læps/. lassie is at rank #41,221, tagged as anoun, pronounced /ˈlæsi/.

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 56427, this pair ranks #126,393 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of lapse vs lassie

Shared letters: aels. Private to "lapse": p. Private to "lassie": i.

"lapse" · 5 letters · shape CVCCV  ·  "lassie" · 6 letters · shape CVCCVV

Known mistypes of this pair

  • lapse ← alpse · lapes · lappse · lapsse · laspe · llapse · lpase
  • lassie ← alssie · lasie · lasise · lassei · llassie · lsasie

Frequently Asked Questions

Can "lapse" and "lassie" be used interchangeably?
No. They are said differently (/læps/ versus /ˈlæsi/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lapse" or "lassie"?
"lapse" is the more common of the two: it sits at frequency rank #15,206 in our English list, against #41,221 for "lassie". 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 "lapse" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lassie" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #126,393 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lapse" and "lassie" also get mixed up with nearby pairs, the highest-scored neighbour is "lassie vs lessee". 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 #126,393 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list