acentovsadentroWhat's the difference?

Quick tell: acento is a noun, adentro is an adverb, so they fill different roles in a sentence.

Which to use

“acento” is a noun and “adentro” is an adverb - they look or sound alike but fill different roles in a sentence.

#21,347
“acento” frequency rank
#21,643
“adentro” frequency rank
42990
confusion score

Side-by-Side Comparison

Feature acento adentro
Definition sinal gráfico que altera o som de vogais no interior

Where the eye mixes acento and adentro

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

6 ch
acento
7 ch
adentro

Look-alike desk: acento vs adentro

These two trip readers on the page rather than in the ear: acento is /ɐ.ˈsẽ.tu/ while adentro is /ɐ.ˈdẽ.tɾu/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 42990, derived from the frequency rank of both members and their visual similarity.

acento is recorded at frequency rank #21,347, classified as anoun, pronounced /ɐ.ˈsẽ.tu/. adentro is at rank #21,643, tagged as anadv, pronounced /ɐ.ˈdẽ.tɾu/.

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 42990, this pair ranks #22,701 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of acento vs adentro

Shared letters: aenot. Private to "acento": c. Private to "adentro": dr.

"acento" · 6 letters · shape VCVCCV  ·  "adentro" · 7 letters · shape VCVCCCV

Known mistypes of this pair

  • acento ← accento · acennto · acenot · acentto · acetno · acneto · aecnto · caento
  • adentro ← addentro · adenntro · adenrto · adentor · adentrro · adenttro · adetnro · adnetro

Frequently Asked Questions

Do "acento" and "adentro" mean the same thing in a sentence?
No - they are not even the same part of speech. "acento" is a noun and "adentro" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "acento" vs "adentro" - which ranks higher?
"acento" is the more common of the two: it sits at frequency rank #21,347 in our Portuguese list, against #21,643 for "adentro". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "acento" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "adentro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #22,701 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "acento" and "adentro" also get mixed up with nearby pairs, the highest-scored neighbour is "adentro vs antro". 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 #22,701 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