lucavslupaTell them apart

Which to use

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

#17,068
“luca” frequency rank
#30,241
“lupa” frequency rank
47309
confusion score

Side-by-Side Comparison

Feature luca lupa
Definition o mesmo que carta do baralho lente convergente que aumenta o diâmetro aparente dos objetos

Where the eye mixes luca and lupa

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. luca and lupa follow the identical consonant-vowel pattern (CVCV). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
luca
4 ch
lupa

Look-alike desk: luca vs lupa

A purely visual mix-up. luca (/ˈlu.kɐ/) and lupa (/ˈlu.pɐ/) 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 a single letter - c in “luca” becomes p in “lupa”. Our composite confusion score for this pair is 47309, derived from the frequency rank of both members and their visual similarity.

luca is recorded at frequency rank #17,068, classified as anoun, pronounced /ˈlu.kɐ/. lupa is at rank #30,241, tagged as anoun, pronounced /ˈlu.pɐ/.

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 47309, this pair ranks #17,950 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of luca vs lupa

Shared letters: alu. Private to "luca": c. Private to "lupa": p.

"luca" · 4 letters · shape CVCV  ·  "lupa" · 4 letters · shape CVCV

Known mistypes of this pair

  • luca ← lcua · lluca · luac · lucca · ulca
  • lupa ← llupa · lpua · luap · luppa · ulpa

Frequently Asked Questions

Is swapping "luca" for "lupa" ever safe?
No. They are said differently (/ˈlu.kɐ/ versus /ˈlu.pɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "luca" vs "lupa" - which ranks higher?
"luca" is the more common of the two: it sits at frequency rank #17,068 in our Portuguese list, against #30,241 for "lupa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "luca" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lupa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #17,950 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "luca" and "lupa" 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 #17,950 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