escurovsesmeroConfusable pair

Quick tell: escuro is a adjective, esmero is a noun, so they fill different roles in a sentence.

Which to use

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

#3,139
“escuro” frequency rank
#44,347
“esmero” frequency rank
47486
confusion score

Side-by-Side Comparison

Feature escuro esmero
Definition não iluminado cuidado para produzir uma qualidade máxima no feitio de algo

Where the eye mixes escuro and esmero

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. escuro and esmero follow the identical consonant-vowel pattern (VCCVCV). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
escuro
6 ch
esmero

Why the eye confuses escuro with esmero

These two trip readers on the page rather than in the ear: escuro is /iʃ.ˈku.ɾu/ while esmero is /iʒ.ˈme.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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 47486, derived from the frequency rank of both members and their visual similarity.

escuro is recorded at frequency rank #3,139, classified as anadj, pronounced /iʃ.ˈku.ɾu/. esmero is at rank #44,347, tagged as anoun, pronounced /iʒ.ˈme.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 47486, this pair ranks #17,754 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of escuro vs esmero

Shared letters: eors. Private to "escuro": cu. Private to "esmero": m.

"escuro" · 6 letters · shape VCCVCV  ·  "esmero" · 6 letters · shape VCCVCV

Known mistypes of this pair

  • escuro ← ecsuro · esccuro · escruo · escuor · escurro · esscuro · esucro · securo
  • esmero ← emsero · esemro · esmeor · esmerro · esmmero · esmreo · essmero · semero

Frequently Asked Questions

Can "escuro" and "esmero" be used interchangeably?
No - they are not even the same part of speech. "escuro" is an adjective and "esmero" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "escuro" or "esmero"?
"escuro" is the more common of the two: it sits at frequency rank #3,139 in our Portuguese list, against #44,347 for "esmero". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "escuro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "esmero" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #17,754 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "escuro" and "esmero" also get mixed up with nearby pairs, the highest-scored neighbour is "esmero vs esterno". 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 #17,754 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