perno

[ˈpeɾno]

/[ˈpeɾno]/ noun

The verdict

“perno” is uncommon Spanish (frequency #52,446 among 6,028 “P” headwords), classed as a noun. The kind of spelling people second-guess.

#52,446
frequency rank, Spanish
6,028
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Pieza metálica de unión con cabeza y terminación plana, que pasa por perforaciones que permiten unir y fijar cosas.

Corpus desk

Index ES-perno · perno · Spanish

perno · rank #52,446 · 0 variants · 0 confusables

  • FREQ-RARE #52,446
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,028
  • PHOTO-FINISH personifica

Nearest frequency peer: personifica (+1 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rangos de cola larga cerca de “perno”

Banda escasa: las barras invierten el rango para que lo raro se lea más corto

corpus weight

What this shows Vista de cola larga: dónde “perno” se sitúa frente a rangos españoles igualmente raros.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for perno
PropertyValue
Headwordperno
LanguageSpanish
Part of speechNoun
IPA[ˈpeɾno]
Letters5
Frequency rank#52,446
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cola larga: rango de “perno” en español

La frecuencia va del puñado de palabras que usamos sin parar (izquierda) a la cola larga que apenas aparece (derecha).pernocae en esta cola de rareza:

#1#100#1K#10K#100K
← used constantlyrarely used →

La escala es logarítmica (cada marca ≈ 10× más rara). Vecinos raros de la misma franja: “personifica” (#52,447), “pericial” (#52,444), “pertrechos” (#52,448). Entre 6,028 lemas con “P”, “perno” va en #52,446. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

perno is uncommon Spanish at frequency #52,446 among 6,028 “P” headwords, classed as anoun, transcribed [ˈpeɾno]. Rarity is why readers land here mid-draft. Gloss: "Pieza metálica de unión con cabeza y terminación plana, que pasa por perforaciones que permiten unir y fijar cosas.".

The misspelling generator found no plausible variants for perno, and the word's spelling is regular enough that our generator found nothing worth flagging. This entry stands alone in our confusable dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

No documented word history exists for this headword, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct Spanish form is perno, spelled P-E-R-N-O.

Definition

  1. 1
    Pieza metálica de unión con cabeza y terminación plana, que pasa por perforaciones que permiten unir y fijar cosas.

Synonyms

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "perno"?
"perno" is spelled P-E-R-N-O. The IPA pronunciation is [ˈpeɾno].
What does "perno" mean?
As a noun, "perno" means: Pieza metálica de unión con cabeza y terminación plana, que pasa por perforaciones que permiten unir y fijar cosas.
How do you pronounce "perno"?
The IPA (International Phonetic Alphabet) transcription for "perno" is [ˈpeɾno]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "perno" come from?
"perno" is a Spanish word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar Spanish words by spelling shape

Same letter count and similar misspelling depth for "perno", not the corpus desk frequency band.

Same letter count

Frequency-ranked Spanish headwords with 5 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list