sustentaçãovssustentadoWhich spelling fits?

Quick tell: sustentação is a noun, sustentado is an adjective, so they fill different roles in a sentence.

Which to use

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

#15,937
“sustentação” frequency rank
#16,886
“sustentado” frequency rank
32823
confusion score

Side-by-Side Comparison

Feature sustentação sustentado
Definition ato ou efeito de sustentar; apoio, sustentáculo: algo ou alguém que se sustentou

Letter map: sustentação vs sustentado

Shared letters muted; letters that set sustentação and sustentado apart highlighted. Shared run: 9. sustentação runs 11 letters (CVCCVCCVCVV) against sustentado's 10 (CVCCVCCVCV) - the length gap alone is often enough to separate them once you know to check it.

11 ch
sustentação
10 ch
sustentado

Grammar separator: sustentação vs sustentado

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: sustentação is anoun and sustentadoanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 32823, derived from the frequency rank of both members and their visual similarity.

sustentação is recorded at frequency rank #15,937, classified as anoun. sustentado is at rank #16,886, tagged as anadj.

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 32823, this pair ranks #34,865 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of sustentação vs sustentado

Shared letters: aenostu. Private to "sustentação": ãç. Private to "sustentado": d.

"sustentação" · 11 letters · shape CVCCVCCVCVV  ·  "sustentado" · 10 letters · shape CVCCVCCVCV

Known mistypes of this pair

  • sustentado ← ssustentado · ssutentado · susetntado · susstentado · sustenatdo · sustenntado · sustentaddo · sustentaod

Frequently Asked Questions

Can "sustentação" and "sustentado" be used interchangeably?
No - they are not even the same part of speech. "sustentação" is a noun and "sustentado" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "sustentação" or "sustentado" show up more?
"sustentação" is the more common of the two: it sits at frequency rank #15,937 in our Portuguese list, against #16,886 for "sustentado". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "sustentação" and "sustentado".

  • Full dictionary entry for "sustentação" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sustentado" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #34,865 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "sustentação" and "sustentado" also get mixed up with nearby pairs, the highest-scored neighbour is "sustentado vs sustento". 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 #34,865 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