presovsprimoWhat's the difference?

Which to use

“preso” and “primo” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#1,020
“preso” frequency rank
#2,792
“primo” frequency rank
3812
confusion score

Side-by-Side Comparison

Feature preso primo
Definition encarceirado, levado à prisão tipo de número que só é divisível por um e por si mesmo

Letter map: preso vs primo

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

5 ch
preso
5 ch
primo

Corpus notes: preso and primo

preso and primo are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 3812, derived from the frequency rank of both members and their visual similarity.

preso is recorded at frequency rank #1,020, classified as anadj. primo is at rank #2,792, 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 3812, this pair ranks #71,276 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of preso vs primo

Shared letters: opr. Private to "preso": es. Private to "primo": im.

"preso" · 5 letters · shape CCVCV  ·  "primo" · 5 letters · shape CCVCV

Known mistypes of this pair

  • presoperso · ppreso · preos · presso · prreso · prseo · rpeso
  • primopirmo · pprimo · primmo · priom · prmio · prrimo · rpimo

Frequently Asked Questions

Do "preso" and "primo" mean the same thing in a sentence?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "preso" vs "primo" - which ranks higher?
"preso" is the more common of the two: it sits at frequency rank #1,020 in our Portuguese list, against #2,792 for "primo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "preso" and "primo". Here's where to go from here.

  • Full dictionary entry for "preso" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "primo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #71,276 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "preso" and "primo" 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 #71,276 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