presovsprosaConfusable pair

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

Which to use

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

#1,020
“preso” frequency rank
#12,526
“prosa” frequency rank
13546
confusion score

Side-by-Side Comparison

Feature preso prosa
Definition encarceirado, levado à prisão forma natural de falar ou escrever sem versos, métrica ou rima

Letter map: preso vs prosa

Shared letters muted; letters that set preso and prosa apart highlighted. Shared run: 3.

5 ch
preso
5 ch
prosa

Part-of-speech tell for preso / prosa

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: preso is anadjective and prosaanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 13546, derived from the frequency rank of both members and their visual similarity.

preso is recorded at frequency rank #1,020, classified as anadj. prosa is at rank #12,526, tagged as anoun, pronounced /ˈpɾɔ.zɐ/.

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 13546, this pair ranks #58,752 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of preso vs prosa

Shared letters: oprs. Private to "preso": e. Private to "prosa": a.

"preso" · 5 letters · shape CCVCV  ·  "prosa" · 5 letters · shape CCVCV

Known mistypes of this pair

  • presoperso · ppreso · preos · presso · prreso · prseo · rpeso
  • prosaporsa · pprosa · proas · prossa · prrosa · prsoa · rposa

Frequently Asked Questions

Is swapping "preso" for "prosa" ever safe?
No - they are not even the same part of speech. "preso" is an adjective and "prosa" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "preso" or "prosa"?
"preso" is the more common of the two: it sits at frequency rank #1,020 in our Portuguese list, against #12,526 for "prosa". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "preso" and "prosa".

  • Full dictionary entry for "preso" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prosa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #58,752 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "preso" and "prosa" also get mixed up with nearby pairs, the highest-scored neighbour is "pola vs prosa". 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 #58,752 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