lackingvslappingConfusable pair

Which to use

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

#6,260
“lacking” frequency rank
#35,383
“lapping” frequency rank
41643
confusion score

Side-by-Side Comparison

Feature lacking lapping
Definition present participle and gerund of lack present participle and gerund of lap

Where the eye mixes lacking and lapping

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
lacking
7 ch
lapping

Visual trap between lacking and lapping

A purely visual mix-up. lacking (/ˈlækɪŋ/) and lapping (/ˈlæpɪŋ/) 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 41643, derived from the frequency rank of both members and their visual similarity.

lacking is recorded at frequency rank #6,260, classified as averb, pronounced /ˈlækɪŋ/. lapping is at rank #35,383, tagged as averb, pronounced /ˈlæpɪŋ/.

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 41643, this pair ranks #256,383 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lacking vs lapping

Shared letters: agiln. Private to "lacking": ck. Private to "lapping": p.

"lacking" · 7 letters · shape CVCCVCC  ·  "lapping" · 7 letters · shape CVCCVCC

Known mistypes of this pair

  • lackingalcking · laccking · lacikng · lackign · lackingg · lackinng · lackking · lacknig
  • lappingalpping · laping · lapipng · lappign · lappingg · lappinng · lappnig · llapping

Frequently Asked Questions

Is swapping "lacking" for "lapping" ever safe?
No. They are said differently (/ˈlækɪŋ/ versus /ˈlæpɪŋ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lacking" or "lapping"?
"lacking" is the more common of the two: it sits at frequency rank #6,260 in our English list, against #35,383 for "lapping". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "lacking" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lapping" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #256,383 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lacking" and "lapping" also get mixed up with nearby pairs, the highest-scored neighbour is "lacing vs lapping". 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 #256,383 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