peivspezWhat's the difference?

Which to use

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

#45,496
“pei” frequency rank
#5,028
“pez” frequency rank
50524
confusion score

Side-by-Side Comparison

Feature pei pez
Definition Decimoséptima letra del alfabeto hebreo Cualquiera de unas 30 000 especies de animales vertebrados, caracterizados por ser los únicos adaptados a respirar agua durante todo su ciclo vital. Forman un grupo sin rigor taxonómico que comprende varios grupos evolutivos diferentes, que sólo tienen en común su adaptación al medio acuático.

Where the spellings diverge

Shared letters are muted; the letters that actually set pei and pez apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

3 ch
pei
3 ch
pez

Spelling & Dictionary Insight

A purely visual mix-up. pei ([ˈpej]) and pez ([ˈpes]) 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 z in “pez”. Our composite confusion score for this pair is 50524, 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]. pez is at rank #5,028, tagged as anoun, pronounced [ˈpes].

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 50524, this pair ranks #102,733 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pei vs pez

Shared letters: ep. Private to "pei": i. Private to "pez": z.

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

Frequency comparison

pei#45,496
pez#5,028

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "pei" and "pez" be used interchangeably?
No. They are said differently ([ˈpej] versus [ˈpes]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "pei" or "pez"?
"pez" is the more common of the two: it sits at frequency rank #5,028 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.

Remembering pei vs pez

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “pei” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list