pezvspyTell them apart

Which to use

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

#5,028
“pez” frequency rank
#38,327
“py” frequency rank
43355
confusion score

Side-by-Side Comparison

Feature pez py
Definition 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. Pie, pata trasera de los cuadrúpedos.

Where the eye mixes pez and py

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

3 ch
pez
2 ch
py

Why the eye confuses pez with py

A purely visual mix-up. pez ([ˈpes]) and py (/ˈpɨ/) 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 1 letter(s) in length. Our composite confusion score for this pair is 43355, derived from the frequency rank of both members and their visual similarity.

pez is recorded at frequency rank #5,028, classified as anoun, pronounced [ˈpes]. py is at rank #38,327, tagged as anoun, pronounced /ˈpɨ/.

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 43355, this pair ranks #143,115 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pez vs py

Shared letters: p. Private to "pez": ez. Private to "py": y.

"pez" · 3 letters · shape CVC  ·  "py" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "pez" for "py" ever safe?
No. They are said differently ([ˈpes] versus /ˈpɨ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "pez" or "py" show up more?
"pez" is the more common of the two: it sits at frequency rank #5,028 in our Spanish list, against #38,327 for "py". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "pez" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "py" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #143,115 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "pez" and "py" also get mixed up with nearby pairs, the highest-scored neighbour is "prey vs py". Nearby pair

Confusion rank #143,115 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