bisiesto

[biˈsjest̪o]

/[biˈsjest̪o]/ adj

The verdict

“bisiesto” is uncommon Spanish (frequency #77,966 among 2,459 “B” headwords), classed as an adjective. The kind of spelling people second-guess.

#77,966
frequency rank, Spanish
2,459
“B” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Se dice del año que tiene 366 días, generalmente añadiendo un día al mes de febrero. Ocurre cada cuatro años, para compensar un cuarto de día que se pierde en el calendario solar anualmente en rela...

Corpus desk

Index ES-bisiesto · bisiesto · Spanish

bisiesto · rank #77,966 · 0 variants · 0 confusables

  • FREQ-RARE #77,966
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,459
  • PHOTO-FINISH Bitar

Nearest frequency peer: Bitar (+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 “bisiesto”

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 “bisiesto” se sitúa frente a rangos españoles igualmente raros.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for bisiesto
PropertyValue
Headwordbisiesto
LanguageSpanish
Part of speechAdjective
IPA[biˈsjest̪o]
Letters8
Frequency rank#77,966
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cola larga: rango de “bisiesto” en español

De izquierda a derecha: las pocas palabras que cargan el habla diaria, luego la cola larga casi invisible.bisiestocae en esta cola de rareza:

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

Los ticks avanzan en logaritmo; cada uno es del orden de diez veces más raro. Vecinos raros de la misma franja: “Bitar” (#77,967), “bizcochitos” (#77,968), “Bernier” (#77,961). Entre 2,459 lemas con “B”, “bisiesto” va en #77,966. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

bisiesto is uncommon Spanish at frequency #77,966 among 2,459 “B” headwords, classed as anadjective, transcribed [biˈsjest̪o]. Rarity is why readers land here mid-draft. Gloss: "Se dice del año que tiene 366 días, generalmente añadiendo un día al mes de febrero. Ocurre cada cuatro años, para compensar un cuarto de día que se pierde en el calendario solar anualmente en rela...".

No generated misspelling entries exist for bisiesto in our index, which points to an orthography that plays by predictable Spanish rules. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

This headword's origin isn't recorded in our source data, 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 bisiesto, spelled B-I-S-I-E-S-T-O.

Definition

  1. 1
    Se dice del año que tiene 366 días, generalmente añadiendo un día al mes de febrero. Ocurre cada cuatro años, para compensar un cuarto de día que se pierde en el calendario solar anualmente en relación con la rotación terrestre.

Recorded use

Wiktionary example

These source excerpts show how bisiesto appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Cada cuatro años se aprecia en los calendarios un 29 de febrero. Este fenómeno es el año bisiesto

This word in other languages

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 "bisiesto"?
"bisiesto" is spelled B-I-S-I-E-S-T-O. The IPA pronunciation is [biˈsjest̪o].
What does "bisiesto" mean?
As an adjective, "bisiesto" means: Se dice del año que tiene 366 días, generalmente añadiendo un día al mes de febrero. Ocurre cada cuatro años, para compensar un cuarto de día que se pierde en el calendario solar anualmente en rela...
How do you pronounce "bisiesto"?
The IPA (International Phonetic Alphabet) transcription for "bisiesto" is [biˈsjest̪o]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "bisiesto" come from?
"bisiesto" is a Spanish word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 "bisiesto", not the corpus desk frequency band.

Same letter count

Frequency-ranked Spanish headwords with 8 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list