bisiesto
[biˈsjest̪o]
The verdict
“bisiesto” is uncommon Spanish (frequency #77,966 among 24,339 “B” headwords), classed as an adjective. The kind of spelling people second-guess.
- #77,966
- frequency rank, Spanish
- 24,339
- “B” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 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...
| Property | Value |
|---|---|
| Headword | bisiesto |
| Language | Spanish |
| Part of speech | Adjective |
| IPA | [biˈsjest̪o] |
| Letters | 8 |
| Frequency rank | #77,966 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “bisiesto” sits in Spanish frequency
Rare enough to double-check
bisiesto is uncommon Spanish at frequency #77,966 among 24,339 “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
- 1Se 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.
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
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Using “bisiesto”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Spanish spelling is B-I-S-I-E-S-T-O - every other letter order is a misspelling in standard orthography.
- Say it as [biˈsjest̪o] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more Spanish words and confusable pairs in the same reference. Spanish words
Other uncommon Spanish words near this rank
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.