PervspetroConfusable pair

Quick tell: Per is a name, petro is a noun, so they fill different roles in a sentence.

Which to use

“Per” is a name and “petro” is a noun - they look or sound alike but fill different roles in a sentence.

#3,203
“Per” frequency rank
#11,836
“petro” frequency rank
15039
confusion score

Side-by-Side Comparison

Feature Per petro
Definition Pedro. Nombre propio de hombre. Antigua moneda digital venezolana, emitida entre 2018 y 2024. Su valor se había fijado en el precio de un barril de petróleo crudo venezolano.

Where the eye mixes Per and petro

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
Per
5 ch
petro

Look-alike desk: Per vs petro

These two trip readers on the page rather than in the ear: Per is [ˈpæːr] while petro is [ˈpet̪ɾo]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 15039, derived from the frequency rank of both members and their visual similarity.

Per is recorded at frequency rank #3,203, classified as aname, pronounced [ˈpæːr]. petro is at rank #11,836, tagged as anoun, pronounced [ˈpet̪ɾo].

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 15039, this pair ranks #281,728 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Per vs petro

Shared letters: epr. Private to "Per": -. Private to "petro": ot.

"Per" · 3 letters · shape CVC  ·  "petro" · 5 letters · shape CVCCV

Known mistypes of this pair

  • petroeptro · perto · petor · petrro · pettro · ppetro · ptero

Frequently Asked Questions

Can "Per" and "petro" be used interchangeably?
No - they are not even the same part of speech. "Per" is a name and "petro" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Per" or "petro"?
"Per" is the more common of the two: it sits at frequency rank #3,203 in our Spanish list, against #11,836 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 "Per" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "petro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #281,728 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Per" and "petro" also get mixed up with nearby pairs, the highest-scored neighbour is "petar vs petro". 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 #281,728 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list