PermvspezTell them apart

Quick tell: Perm is a name, pez is a noun, so they fill different roles in a sentence.

Which to use

“Perm” is a name and “pez” is a noun - they look or sound alike but fill different roles in a sentence.

#48,584
“Perm” frequency rank
#5,028
“pez” frequency rank
53612
confusion score

Side-by-Side Comparison

Feature Perm pez
Definition Ciudad de Rusia 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 eye mixes Perm and pez

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

4 ch
Perm
3 ch
pez

Look-alike desk: Perm vs pez

These two trip readers on the page rather than in the ear: Perm is [ˈpeɾm] while pez is [ˈpes]. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 53612, derived from the frequency rank of both members and their visual similarity.

Perm is recorded at frequency rank #48,584, classified as aname, pronounced [ˈpeɾm]. 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 53612, this pair ranks #87,044 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Perm vs pez

Shared letters: ep. Private to "Perm": mr. Private to "pez": z.

"Perm" · 4 letters · shape CVCC  ·  "pez" · 3 letters · shape CVC

Known mistypes of this pair

  • Permeprm · pemr · permm · perrm · pperm · prem

Frequently Asked Questions

Can "Perm" and "pez" be used interchangeably?
No - they are not even the same part of speech. "Perm" is a name and "pez" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Perm" or "pez"?
"pez" is the more common of the two: it sits at frequency rank #5,028 in our Spanish list, against #48,584 for "Perm". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "Perm" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pez" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #87,044 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Perm" and "pez" also get mixed up with nearby pairs, the highest-scored neighbour is "Perm vs PRC". 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 #87,044 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