presovsprisonTell them apart

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

Which to use

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

#1,020
“preso” frequency rank
#18,155
“prison” frequency rank
19175
confusion score

Side-by-Side Comparison

Feature preso prison
Definition encarceirado, levado à prisão prisão, cadeia, cárcere:

Letter map: preso vs prison

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

5 ch
preso
6 ch
prison

Part-of-speech tell for preso / prison

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: preso is anadjective and prisonanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 19175, derived from the frequency rank of both members and their visual similarity.

preso is recorded at frequency rank #1,020, classified as anadj. prison is at rank #18,155, tagged as anoun, pronounced /pʁi.zɔ̃/.

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 19175, this pair ranks #51,634 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of preso vs prison

Shared letters: oprs. Private to "preso": e. Private to "prison": in.

"preso" · 5 letters · shape CCVCV  ·  "prison" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • preso ← perso · ppreso · preos · presso · prreso · prseo · rpeso
  • prison ← pirson · pprison · priosn · prisno · prisonn · prisson · prrison · prsion

Frequently Asked Questions

Do "preso" and "prison" mean the same thing in a sentence?
No - they are not even the same part of speech. "preso" is an adjective and "prison" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "preso" vs "prison" - which ranks higher?
"preso" is the more common of the two: it sits at frequency rank #1,020 in our Portuguese list, against #18,155 for "prison". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "preso" vs "prison" is on the table, pick a follow-up below.

  • Full dictionary entry for "preso" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prison" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #51,634 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "preso" and "prison" also get mixed up with nearby pairs, the highest-scored neighbour is "preso vs priest". 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 #51,634 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