petvspíoTell them apart

Quick tell: pet is a noun, pío is an adjective, so they fill different roles in a sentence.

Which to use

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

#21,434
“pet” frequency rank
#12,038
“pío” frequency rank
33472
confusion score

Side-by-Side Comparison

Feature pet pío
Definition Pedo. Devoto, inclinado a la piedad, dado al culto de la religión y a las cosas pertenecientes al servicio de Dios y de los santos.

Where the eye mixes pet and pío

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
pet
3 ch
pío

Look-alike desk: pet vs pío

These two trip readers on the page rather than in the ear: pet is [ˈpɛt] while pío is [ˈpio]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 33472, derived from the frequency rank of both members and their visual similarity.

pet is recorded at frequency rank #21,434, classified as anoun, pronounced [ˈpɛt]. pío is at rank #12,038, tagged as anadj, pronounced [ˈpio].

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 33472, this pair ranks #196,618 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pet vs pío

Shared letters: p. Private to "pet": et. Private to "pío": .

"pet" · 3 letters · shape CVC  ·  "pío" · 3 letters · shape CVV

Frequently Asked Questions

Can "pet" and "pío" be used interchangeably?
No - they are not even the same part of speech. "pet" is a noun and "pío" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "pet" or "pío"?
"pío" is the more common of the two: it sits at frequency rank #12,038 in our Spanish list, against #21,434 for "pet". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "pet" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pío" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #196,618 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pet" and "pío" also get mixed up with nearby pairs, the highest-scored neighbour is "pet vs prey". Nearby pair

Confusion rank #196,618 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