luarvslucaTell them apart

Which to use

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

#16,331
“luar” frequency rank
#17,068
“luca” frequency rank
33399
confusion score

Side-by-Side Comparison

Feature luar luca
Definition luz do sol que é refletida pela Lua o mesmo que carta do baralho

Where the eye mixes luar and luca

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

4 ch
luar
4 ch
luca

Visual trap between luar and luca

A purely visual mix-up. luar (/ˈlwaɾ/) and luca (/ˈlu.kɐ/) 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 33399, derived from the frequency rank of both members and their visual similarity.

luar is recorded at frequency rank #16,331, classified as anoun, pronounced /ˈlwaɾ/. luca is at rank #17,068, tagged as anoun, pronounced /ˈlu.kɐ/.

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 33399, this pair ranks #34,142 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of luar vs luca

Shared letters: alu. Private to "luar": r. Private to "luca": c.

"luar" · 4 letters · shape CVVC  ·  "luca" · 4 letters · shape CVCV

Known mistypes of this pair

  • luarlaur · lluar · luarr · lura · ular
  • lucalcua · lluca · luac · lucca · ulca

Frequently Asked Questions

Is swapping "luar" for "luca" ever safe?
No. They are said differently (/ˈlwaɾ/ versus /ˈlu.kɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "luar" vs "luca" - which ranks higher?
"luar" is the more common of the two: it sits at frequency rank #16,331 in our Portuguese list, against #17,068 for "luca". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "luar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "luca" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #34,142 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "luar" and "luca" also get mixed up with nearby pairs, the highest-scored neighbour is "loch vs luca". 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 #34,142 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