luavslutarTell them apart

Quick tell: lua is a noun, lutar is a verb, so they fill different roles in a sentence.

Which to use

“lua” is a noun and “lutar” is a verb - they look or sound alike but fill different roles in a sentence.

#1,619
“lua” frequency rank
#1,752
“lutar” frequency rank
3371
confusion score

Side-by-Side Comparison

Feature lua lutar
Definition satélite natural da Terra, que se destaca no céu durante a noite travar luta

Where the eye mixes lua and lutar

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

3 ch
lua
5 ch
lutar

Visual trap between lua and lutar

These two trip readers on the page rather than in the ear: lua is /'lua/ while lutar is /lu.ˈtaɾ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 3371, 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/. lutar is at rank #1,752, tagged as averb, pronounced /lu.ˈtaɾ/.

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 3371, this pair ranks #71,786 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lua vs lutar

Shared letters: alu. Private to "lua": -. Private to "lutar": rt.

"lua" · 3 letters · shape CVV  ·  "lutar" · 5 letters · shape CVCVC

Known mistypes of this pair

  • lutarllutar · ltuar · luatr · lutarr · lutra · luttar · ultar

Frequently Asked Questions

Is swapping "lua" for "lutar" ever safe?
No - they are not even the same part of speech. "lua" is a noun and "lutar" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "lua" or "lutar" show up more?
"lua" is the more common of the two: it sits at frequency rank #1,619 in our Portuguese list, against #1,752 for "lutar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "lua" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lutar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #71,786 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "lua" and "lutar" also get mixed up with nearby pairs, the highest-scored neighbour is "laca vs lua". 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 #71,786 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