lacvsluzTell them apart

Which to use

“lac” and “luz” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#48,497
“lac” frequency rank
#469
“luz” frequency rank
48966
confusion score

Side-by-Side Comparison

Feature lac luz
Definition Lago. Radiación electromagnética visible al ojo humano.

Where the eye mixes lac and luz

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
lac
3 ch
luz

Why the eye confuses lac with luz

A purely visual mix-up. lac ([lak]) and luz ([ˈlus]) 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 48966, derived from the frequency rank of both members and their visual similarity.

lac is recorded at frequency rank #48,497, classified as anoun, pronounced [lak]. luz is at rank #469, tagged as anoun, pronounced [ˈlus].

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 48966, this pair ranks #111,519 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lac vs luz

Shared letters: l. Private to "lac": ac. Private to "luz": uz.

"lac" · 3 letters · shape CVC  ·  "luz" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "lac" for "luz" ever safe?
No. They are said differently ([lak] versus [ˈlus]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "lac" vs "luz" - which ranks higher?
"luz" is the more common of the two: it sits at frequency rank #469 in our Spanish list, against #48,497 for "lac". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "lac" and "luz" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "lac" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "luz" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #111,519 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "lac" and "luz" also get mixed up with nearby pairs, the highest-scored neighbour is "lac vs lapa". Nearby pair

Confusion rank #111,519 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list