lackedvslappedWhich spelling fits?

Quick tell: lacked is a verb, lapped is an adjective, so they fill different roles in a sentence.

Which to use

“lacked” is a verb and “lapped” is an adjective - they look or sound alike but fill different roles in a sentence.

#9,622
“lacked” frequency rank
#40,776
“lapped” frequency rank
50398
confusion score

Side-by-Side Comparison

Feature lacked lapped
Definition simple past and past participle of lack Being one or more complete laps behind the leader in a race.

Letter map: lacked vs lapped

Shared letters muted; letters that set lacked and lapped apart highlighted. Shared run: 4.

6 ch
lacked
6 ch
lapped

Grammar separator: lacked vs lapped

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: lacked is averb and lappedanadjective. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 50398, 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/. lapped is at rank #40,776, tagged as anadj.

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 50398, this pair ranks #174,676 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lacked vs lapped

Shared letters: adel. Private to "lacked": ck. Private to "lapped": p.

"lacked" · 6 letters · shape CVCCVC  ·  "lapped" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • lackedalcked · laccked · lacekd · lackde · lackedd · lackked · lakced · lcaked
  • lappedalpped · laped · lapepd · lappde · lappedd · llapped · lpaped

Frequently Asked Questions

Is swapping "lacked" for "lapped" ever safe?
No - they are not even the same part of speech. "lacked" is a verb and "lapped" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "lacked" or "lapped" show up more?
"lacked" is the more common of the two: it sits at frequency rank #9,622 in our English list, against #40,776 for "lapped". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "lacked" and "lapped".

  • Full dictionary entry for "lacked" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lapped" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #174,676 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lacked" and "lapped" also get mixed up with nearby pairs, the highest-scored neighbour is "lapped vs leaped". 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 #174,676 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