Which to use
“lacked” and “lapsed” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,622
- “lacked” frequency rank
- #31,237
- “lapsed” frequency rank
- 40859
- confusion score
Side-by-Side Comparison
| Feature | lacked | lapsed |
|---|---|---|
| Definition | simple past and past participle of lack | simple past and past participle of lapse |
Where the eye mixes lacked and lapsed
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: lacked vs lapsed
A purely visual mix-up. lacked (/lækt/) and lapsed (/læpst/) 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 40859, derived from the frequency rank of both members and their visual similarity.
lacked is recorded at frequency rank #9,622, classified as averb, pronounced /lækt/. lapsed is at rank #31,237, tagged as averb, pronounced /læpst/.
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 40859, this pair ranks #263,774 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of lacked vs lapsed
Shared letters: adel. Private to "lacked": ck. Private to "lapsed": ps.
"lacked" · 6 letters · shape CVCCVC · "lapsed" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "lacked" and "lapsed" mean the same thing in a sentence?
Which is more common, "lacked" or "lapsed"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "lacked" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "lapsed" - compare definitions side by side with the headword page. Word entry
- This pair ranks #263,774 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "lacked" and "lapsed" also get mixed up with nearby pairs, the highest-scored neighbour is "lapped vs lapsed". 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 #263,774 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.