esmerovsesternoConfusable pair

Which to use

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

#44,347
“esmero” frequency rank
#48,398
“esterno” frequency rank
92745
confusion score

Side-by-Side Comparison

Feature esmero esterno
Definition cuidado para produzir uma qualidade máxima no feitio de algo osso chato, localizado na parte anterior do tórax, composto de três partes: o manúbrio, o corpo e a apófise xifóide

Where the eye mixes esmero and esterno

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. esmero runs 6 letters (VCCVCV) against esterno's 7 (VCCVCCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
esmero
7 ch
esterno

Look-alike desk: esmero vs esterno

A purely visual mix-up. esmero (/iʒ.ˈme.ɾu/) and esterno (/iʃ.ˈtɛɾ.nu/) 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 92745, derived from the frequency rank of both members and their visual similarity.

esmero is recorded at frequency rank #44,347, classified as anoun, pronounced /iʒ.ˈme.ɾu/. esterno is at rank #48,398, tagged as anoun, pronounced /iʃ.ˈtɛɾ.nu/.

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 92745, this pair ranks #156 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of esmero vs esterno

Shared letters: eors. Private to "esmero": m. Private to "esterno": nt.

"esmero" · 6 letters · shape VCCVCV  ·  "esterno" · 7 letters · shape VCCVCCV

Known mistypes of this pair

  • esmero ← emsero · esemro · esmeor · esmerro · esmmero · esmreo · essmero · semero
  • esterno ← esetrno · essterno · estenro · esternno · esteron · esterrno · estreno · estterno

Frequently Asked Questions

Can "esmero" and "esterno" be used interchangeably?
No. They are said differently (/iʒ.ˈme.ɾu/ versus /iʃ.ˈtɛɾ.nu/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "esmero" or "esterno"?
"esmero" is the more common of the two: it sits at frequency rank #44,347 in our Portuguese list, against #48,398 for "esterno". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "esmero" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "esterno" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #156 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "esmero" and "esterno" also get mixed up with nearby pairs, the highest-scored neighbour is "esteio 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 #156 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