lapisvslapseTell them apart

Which to use

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

#38,012
“lapis” frequency rank
#15,206
“lapse” frequency rank
53218
confusion score

Side-by-Side Comparison

Feature lapis lapse
Definition Ellipsis of lapis lazuli. A temporary failure; a slip.

Where the eye mixes lapis and lapse

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. lapis (CVCVC) and lapse (CVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
lapis
5 ch
lapse

Visual trap between lapis and lapse

A purely visual mix-up. lapis (/ˈlæpɪs/) and lapse (/læps/) 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 53218, derived from the frequency rank of both members and their visual similarity.

lapis is recorded at frequency rank #38,012, classified as anoun, pronounced /ˈlæpɪs/. lapse is at rank #15,206, tagged as anoun, pronounced /læps/.

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 53218, this pair ranks #150,814 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lapis vs lapse

Shared letters: alps. Private to "lapis": i. Private to "lapse": e.

"lapis" · 5 letters · shape CVCVC  ·  "lapse" · 5 letters · shape CVCCV

Known mistypes of this pair

  • lapis ← alpis · laips · lapiss · lappis · lapsi · llapis · lpais
  • lapse ← alpse · lapes · lappse · lapsse · laspe · llapse · lpase

Frequently Asked Questions

Is swapping "lapis" for "lapse" ever safe?
No. They are said differently (/ˈlæpɪs/ versus /læps/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lapis" or "lapse"?
"lapse" is the more common of the two: it sits at frequency rank #15,206 in our English list, against #38,012 for "lapis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "lapis" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lapse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #150,814 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lapis" and "lapse" also get mixed up with nearby pairs, the highest-scored neighbour is "lapis vs Levis". 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 #150,814 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