apoiovsapostoWhich spelling fits?

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

Which to use

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

#517
“apoio” frequency rank
#5,817
“aposto” frequency rank
6334
confusion score

Side-by-Side Comparison

Feature apoio aposto
Definition encosto: encostado

Letter map: apoio vs aposto

Shared letters muted; letters that set apoio and aposto apart highlighted. Shared run: 4. apoio runs 5 letters (VCVVV) against aposto's 6 (VCVCCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
apoio
6 ch
aposto

Grammar separator: apoio vs aposto

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: apoio is anoun and apostoanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 6334, derived from the frequency rank of both members and their visual similarity.

apoio is recorded at frequency rank #517, classified as anoun. aposto is at rank #5,817, tagged as anadj, pronounced /ɐ.ˈpoʃ.tu/.

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 6334, this pair ranks #68,112 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of apoio vs aposto

Shared letters: aop. Private to "apoio": i. Private to "aposto": st.

"apoio" · 5 letters · shape VCVVV  ·  "aposto" · 6 letters · shape VCVCCV

Known mistypes of this pair

  • apoio ← aopio · apioo · apooi · appoio · paoio
  • aposto ← aopsto · aposot · apossto · apostto · apotso · apposto · apsoto · paosto

Frequently Asked Questions

Can "apoio" and "aposto" be used interchangeably?
No - they are not even the same part of speech. "apoio" is a noun and "aposto" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "apoio" or "aposto" show up more?
"apoio" is the more common of the two: it sits at frequency rank #517 in our Portuguese list, against #5,817 for "aposto". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "apoio" and "aposto".

  • Full dictionary entry for "apoio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aposto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #68,112 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "apoio" and "aposto" also get mixed up with nearby pairs, the highest-scored neighbour is "aposento vs aposto". 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 #68,112 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