peivspetTell them apart

Which to use

“pei” and “pet” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#45,496
“pei” frequency rank
#21,434
“pet” frequency rank
66930
confusion score

Side-by-Side Comparison

Feature pei pet
Definition Decimoséptima letra del alfabeto hebreo Pedo.

Where the eye mixes pei and pet

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. pei (CVV) and pet (CVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
pei
3 ch
pet

Why the eye confuses pei with pet

A purely visual mix-up. pei ([ˈpej]) and pet ([ˈpɛt]) 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 a single letter - i in “pei” becomes t in “pet”. Our composite confusion score for this pair is 66930, derived from the frequency rank of both members and their visual similarity.

pei is recorded at frequency rank #45,496, classified as anoun, pronounced [ˈpej]. pet is at rank #21,434, tagged as anoun, pronounced [ˈpɛt].

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 66930, this pair ranks #38,486 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of pei vs pet

Shared letters: ep. Private to "pei": i. Private to "pet": t.

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

Frequently Asked Questions

Can "pei" and "pet" be used interchangeably?
No. They are said differently ([ˈpej] versus [ˈpɛt]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "pei" vs "pet" - which ranks higher?
"pet" is the more common of the two: it sits at frequency rank #21,434 in our Spanish list, against #45,496 for "pei". 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 "pei" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pet" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #38,486 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pei" and "pet" also get mixed up with nearby pairs, the highest-scored neighbour is "pei vs prey". Nearby pair

Confusion rank #38,486 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