lapisvsLuisWhich spelling fits?

Quick tell: lapis is a noun, Luis is a name, so they fill different roles in a sentence.

Which to use

“lapis” is a noun and “Luis” is a name - they look or sound alike but fill different roles in a sentence.

#38,012
“lapis” frequency rank
#7,247
“Luis” frequency rank
45259
confusion score

Side-by-Side Comparison

Feature lapis Luis
Definition Ellipsis of lapis lazuli. A male given name from Spanish.

Where the eye mixes lapis and Luis

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
lapis
4 ch
Luis

Look-alike desk: lapis vs Luis

These two trip readers on the page rather than in the ear: lapis is /ˈlæpɪs/ while Luis is /luˈiːs/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 45259, 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/. Luis is at rank #7,247, tagged as aname, pronounced /luˈiːs/.

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 45259, this pair ranks #222,903 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lapis vs Luis

Shared letters: ils. Private to "lapis": ap. Private to "Luis": u.

"lapis" · 5 letters · shape CVCVC  ·  "Luis" · 4 letters · shape CVVC

Known mistypes of this pair

  • lapisalpis · laips · lapiss · lappis · lapsi · llapis · lpais
  • Luislius · lluis · luiss · lusi · ulis

Frequently Asked Questions

Can "lapis" and "Luis" be used interchangeably?
No - they are not even the same part of speech. "lapis" is a noun and "Luis" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "lapis" or "Luis"?
"Luis" is the more common of the two: it sits at frequency rank #7,247 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.

Useful next steps

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

  • Full dictionary entry for "lapis" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Luis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #222,903 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "lapis" and "Luis" 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 #222,903 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