lupavsluzTell them apart

Which to use

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

#30,241
“lupa” frequency rank
#604
“luz” frequency rank
30845
confusion score

Side-by-Side Comparison

Feature lupa luz
Definition lente convergente que aumenta o diâmetro aparente dos objetos única radiação captada pelo olho humano

Where the eye mixes lupa and luz

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
lupa
3 ch
luz

Why the eye confuses lupa with luz

A purely visual mix-up. lupa (/ˈlu.pɐ/) and luz (/ˈluʃ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 30845, derived from the frequency rank of both members and their visual similarity.

lupa is recorded at frequency rank #30,241, classified as anoun, pronounced /ˈlu.pɐ/. luz is at rank #604, tagged as anoun, pronounced /ˈluʃ/.

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 30845, this pair ranks #37,407 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lupa vs luz

Shared letters: lu. Private to "lupa": ap. Private to "luz": z.

"lupa" · 4 letters · shape CVCV  ·  "luz" · 3 letters · shape CVC

Known mistypes of this pair

  • lupallupa · lpua · luap · luppa · ulpa

Frequently Asked Questions

Is swapping "lupa" for "luz" ever safe?
No. They are said differently (/ˈlu.pɐ/ versus /ˈluʃ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "lupa" or "luz" show up more?
"luz" is the more common of the two: it sits at frequency rank #604 in our Portuguese list, against #30,241 for "lupa". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "lupa" 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 #37,407 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "lupa" and "luz" also get mixed up with nearby pairs, the highest-scored neighbour is "laca vs lupa". 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 #37,407 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list