peivspiesWhat's the difference?

Quick tell: pei is a noun, pies is a verb, so they fill different roles in a sentence.

Which to use

“pei” is a noun and “pies” is a verb - they look or sound alike but fill different roles in a sentence.

#45,496
“pei” frequency rank
#1,492
“pies” frequency rank
46988
confusion score

Side-by-Side Comparison

Feature pei pies
Definition Decimoséptima letra del alfabeto hebreo Segunda persona del singular (vos) del presente de subjuntivo de piar.

Where the eye mixes pei and pies

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
pei
4 ch
pies

Look-alike desk: pei vs pies

These two trip readers on the page rather than in the ear: pei is [ˈpej] while pies is [ˈpjes]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 46988, 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]. pies is at rank #1,492, tagged as averb, pronounced [ˈpjes].

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 46988, this pair ranks #122,623 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pei vs pies

Shared letters: eip. Private to "pei": -. Private to "pies": s.

"pei" · 3 letters · shape CVV  ·  "pies" · 4 letters · shape CVVC

Known mistypes of this pair

  • piesipes · peis · piess · pise · ppies

Frequently Asked Questions

Is swapping "pei" for "pies" ever safe?
No - they are not even the same part of speech. "pei" is a noun and "pies" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "pei" or "pies"?
"pies" is the more common of the two: it sits at frequency rank #1,492 in our Spanish list, against #45,496 for "pei". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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 "pies" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #122,623 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pei" and "pies" also get mixed up with nearby pairs, the highest-scored neighbour is "pei vs prey". 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 #122,623 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