Which to use
“lua” and “luz” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,619
- “lua” frequency rank
- #604
- “luz” frequency rank
- 2223
- confusion score
Side-by-Side Comparison
| Feature | lua | luz |
|---|---|---|
| Definition | satélite natural da Terra, que se destaca no céu durante a noite | única radiação captada pelo olho humano |
Where the eye mixes lua and luz
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses lua with luz
A purely visual mix-up. lua (/'lua/) 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 a single letter - a in “lua” becomes z in “luz”. Our composite confusion score for this pair is 2223, 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/. 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 2223, this pair ranks #73,232 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of lua vs luz
Shared letters: lu. Private to "lua": a. Private to "luz": z.
"lua" · 3 letters · shape CVV · "luz" · 3 letters · shape CVC
Frequently Asked Questions
Can "lua" and "luz" be used interchangeably?
In ordinary Portuguese text, does "lua" or "luz" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "lua" 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 #73,232 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "lua" and "luz" also get mixed up with nearby pairs, the highest-scored neighbour is "laca vs lua". Nearby pair
Confusion rank #73,232 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.