PetrovsPietroConfusable pair

Which to use

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

#35,725
“Petro” frequency rank
#20,689
“Pietro” frequency rank
56414
confusion score

Side-by-Side Comparison

Feature Petro Pietro
Definition Pedro prenome masculino

Where the eye mixes Petro and Pietro

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. Petro runs 5 letters (CVCCV) against Pietro's 6 (CVVCCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
Petro
6 ch
Pietro

Visual trap between Petro and Pietro

A purely visual mix-up. Petro (/ˈpe.tɾo/.) and Pietro (/piˈe.tɾu/ [pɪˈe.tɾu] AFI: /'pje.tɾu/ (pronúncia rápida)) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 56414, derived from the frequency rank of both members and their visual similarity.

Petro is recorded at frequency rank #35,725, classified as anoun, pronounced /ˈpe.tɾo/.. Pietro is at rank #20,689, tagged as anoun, pronounced /piˈe.tɾu/ [pɪˈe.tɾu] AFI: /'pje.tɾu/ (pronúncia rápida).

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 56414, this pair ranks #9,984 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of Petro vs Pietro

Shared letters: eoprt. Private to "Petro": -. Private to "Pietro": i.

"Petro" · 5 letters · shape CVCCV  ·  "Pietro" · 6 letters · shape CVVCCV

Known mistypes of this pair

  • Petro ← eptro · petor · petrro · pettro · ppetro · ptero
  • Pietro ← ipetro · peitro · pierto · pietor · pietrro · piettro · pitero · ppietro

Frequently Asked Questions

Is swapping "Petro" for "Pietro" ever safe?
No. They are said differently (/ˈpe.tɾo/. versus /piˈe.tɾu/ [pɪˈe.tɾu] AFI: /'pje.tɾu/ (pronúncia rápida)) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "Petro" or "Pietro" show up more?
"Pietro" is the more common of the two: it sits at frequency rank #20,689 in our Portuguese list, against #35,725 for "Petro". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Petro" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Pietro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #9,984 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "Petro" and "Pietro" also get mixed up with nearby pairs, the highest-scored neighbour is "Petro vs Pietra". 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 #9,984 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