espertovsestercoTell them apart

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

Which to use

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

#7,905
“esperto” frequency rank
#38,264
“esterco” frequency rank
46169
confusion score

Side-by-Side Comparison

Feature esperto esterco
Definition o mesmo que desperto excrementos de animais misturados com restos vegetais, em decomposição, ou já descompostos, que servem para volver-lhe a fertilidade ao terreno depois das culturas e assim favorecer as novas plantações

Where the eye mixes esperto and esterco

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
esperto
7 ch
esterco

Visual trap between esperto and esterco

These two trip readers on the page rather than in the ear: esperto is /isˈpɛʁ.tu/ [isˈpɛh.tu], /esˈpɛʁ.tu/ [esˈpɛh.tu] while esterco is /iʃ.ˈteɾ.ku/. 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 46169, derived from the frequency rank of both members and their visual similarity.

esperto is recorded at frequency rank #7,905, classified as anadj, pronounced /isˈpɛʁ.tu/ [isˈpɛh.tu], /esˈpɛʁ.tu/ [esˈpɛh.tu]. esterco is at rank #38,264, tagged as anoun, pronounced /iʃ.ˈteɾ.ku/.

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 46169, this pair ranks #19,171 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of esperto vs esterco

Shared letters: eorst. Private to "esperto": p. Private to "esterco": c.

"esperto" · 7 letters · shape VCCVCCV  ·  "esterco" · 7 letters · shape VCCVCCV

Known mistypes of this pair

  • espertoepserto · eseprto · esperot · esperrto · espertto · espetro · espperto · espreto
  • estercoesetrco · essterco · estecro · estercco · esteroc · esterrco · estreco · estterco

Frequently Asked Questions

Can "esperto" and "esterco" be used interchangeably?
No - they are not even the same part of speech. "esperto" is an adjective and "esterco" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "esperto" or "esterco"?
"esperto" is the more common of the two: it sits at frequency rank #7,905 in our Portuguese list, against #38,264 for "esterco". 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 "esperto" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "esterco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #19,171 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "esperto" and "esterco" also get mixed up with nearby pairs, the highest-scored neighbour is "esterco 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 #19,171 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