luavslupaConfusable pair

Which to use

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

#1,619
“lua” frequency rank
#30,241
“lupa” frequency rank
31860
confusion score

Side-by-Side Comparison

Feature lua lupa
Definition satélite natural da Terra, que se destaca no céu durante a noite lente convergente que aumenta o diâmetro aparente dos objetos

Where the eye mixes lua and lupa

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

3 ch
lua
4 ch
lupa

Look-alike desk: lua vs lupa

A purely visual mix-up. lua (/'lua/) 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 1 letter(s) in length. Our composite confusion score for this pair is 31860, derived from the frequency rank of both members and their visual similarity.

lua is recorded at frequency rank #1,619, classified as anoun, pronounced /'lua/. 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 31860, this pair ranks #36,107 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lua vs lupa

Shared letters: alu. Private to "lua": -. Private to "lupa": p.

"lua" · 3 letters · shape CVV  ·  "lupa" · 4 letters · shape CVCV

Known mistypes of this pair

  • lupallupa · lpua · luap · luppa · ulpa

Frequently Asked Questions

Can "lua" and "lupa" be used interchangeably?
No. They are said differently (/'lua/ versus /ˈlu.pɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "lua" vs "lupa" - which ranks higher?
"lua" is the more common of the two: it sits at frequency rank #1,619 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.

What to do next

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

  • Full dictionary entry for "lua" 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 #36,107 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "lua" 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 #36,107 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