agostovsapostoWhich spelling fits?

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

Which to use

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

#531
“agosto” frequency rank
#5,817
“aposto” frequency rank
6348
confusion score

Side-by-Side Comparison

Feature agosto aposto
Definition oitavo mês do ano pelo calendário gregoriano, sucedendo julho e antecedendo setembro encostado

Where the eye mixes agosto and aposto

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

6 ch
agosto
6 ch
aposto

Look-alike desk: agosto vs aposto

These two trip readers on the page rather than in the ear: agosto is /a.'goʃ.tu/ while aposto is /ɐ.ˈpoʃ.tu/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - g in “agosto” becomes p in “aposto”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 6348, derived from the frequency rank of both members and their visual similarity.

agosto is recorded at frequency rank #531, classified as anoun, pronounced /a.'goʃ.tu/. 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 6348, this pair ranks #68,094 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of agosto vs aposto

Shared letters: aost. Private to "agosto": g. Private to "aposto": p.

"agosto" · 6 letters · shape VCVCCV  ·  "aposto" · 6 letters · shape VCVCCV

Known mistypes of this pair

  • agostoaggosto · agosot · agossto · agostto · agotso · agsoto · aogsto · gaosto
  • apostoaopsto · aposot · apossto · apostto · apotso · apposto · apsoto · paosto

Frequently Asked Questions

Do "agosto" and "aposto" mean the same thing in a sentence?
No - they are not even the same part of speech. "agosto" is a noun and "aposto" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "agosto" or "aposto"?
"agosto" is the more common of the two: it sits at frequency rank #531 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

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

  • Full dictionary entry for "agosto" 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 #68,094 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "agosto" 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 #68,094 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