livrovslouroTell them apart

Quick tell: livro is a noun, louro is an adjective, so they fill different roles in a sentence.

Which to use

“livro” is a noun and “louro” is an adjective - they look or sound alike but fill different roles in a sentence.

#378
“livro” frequency rank
#18,635
“louro” frequency rank
19013
confusion score

Side-by-Side Comparison

Feature livro louro
Definition objeto feito de várias folhas de papel, organizadas em ordem e contendo um texto que apresenta uma cor entre o dourado e o castanho

Where the eye mixes livro and louro

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. livro (CVCCV) and louro (CVVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
livro
5 ch
louro

Visual trap between livro and louro

These two trip readers on the page rather than in the ear: livro is /ˈli.vɾu/ while louro is /ˈlow.ɾu/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 19013, derived from the frequency rank of both members and their visual similarity.

livro is recorded at frequency rank #378, classified as anoun, pronounced /ˈli.vɾu/. louro is at rank #18,635, tagged as anadj, pronounced /ˈlow.ɾu/.

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 19013, this pair ranks #51,848 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of livro vs louro

Shared letters: lor. Private to "livro": iv. Private to "louro": u.

"livro" · 5 letters · shape CVCCV  ·  "louro" · 5 letters · shape CVVCV

Known mistypes of this pair

  • livro ← ilvro · lirvo · livor · livrro · livvro · llivro · lviro
  • louro ← llouro · loruo · louor · lourro · luoro · oluro

Frequently Asked Questions

Do "livro" and "louro" mean the same thing in a sentence?
No - they are not even the same part of speech. "livro" is a noun and "louro" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "livro" or "louro"?
"livro" is the more common of the two: it sits at frequency rank #378 in our Portuguese list, against #18,635 for "louro". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "livro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "louro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #51,848 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "livro" and "louro" also get mixed up with nearby pairs, the highest-scored neighbour is "lóbulo vs louro". 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 #51,848 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