---
title: "BIP39 Word #1623: skull — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/skull/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #1623 11001010110 

# skull — BIP39 word #1623

"**skull**" is word #1623 of the 2048 words in the official BIP39 English wordlist, between [skirt](/bip39-word/skirt/) and [slab](/bip39-word/slab/). In a seed phrase it stands for the 11-bit value `11001010110`, decimal index 1622\. 

/skʌl/  · _noun:_ the bony frame of the head that protects the brain 

[Russian](/ru/ "The BIP39 wordlist with Russian translations"): череп 

## Binary Representation

Six 1-bits and five 0-bits; 462 of the 2048 indexes have exactly six 1-bits.

One wrong bit turns it into (leftmost bit first):

[enlist](/bip39-word/enlist/)[member](/bip39-word/member/)[turn](/bip39-word/turn/)[suspect](/bip39-word/suspect/)[security](/bip39-word/security/)[solution](/bip39-word/solution/)[silver](/bip39-word/silver/)[slim](/bip39-word/slim/)[ski](/bip39-word/ski/)[skin](/bip39-word/skin/)[slab](/bip39-word/slab/) 

Position

Hex Index

0x656

4-Letter Prefix

skul

## About "skull" in BIP39

- "skull" has 5 letters, but the first three, **"sku"**, already identify it, because **"sk"** also begins [skate](/bip39-word/skate/), [sketch](/bip39-word/sketch/), [ski](/bip39-word/ski/), [skill](/bip39-word/skill/), [skin](/bip39-word/skin/) and [skirt](/bip39-word/skirt/). Three letters are enough for only 604 of the 2048 words.

## Word #1623 in the Other 9 BIP39 Wordlists

[Czech](/czech/) studna 

[French](/french/) rejeter 

[Italian](/italian/) serata 

[Japanese](/japanese/) ひさしぶり 

[Korean](/korean/) 지식 

[Portuguese](/portuguese/) ratoeira 

[Spanish](/spanish/) riqueza 

[Traditional Chinese](/chinese-traditional/) 祝 

[Simplified Chinese](/chinese-simplified/) 祝 

## Similar Words — Check Carefully During Recovery

 One BIP39 word differs from "skull" by just a single letter — the most common source of typos when a seed phrase is entered by hand: 

[skill](/bip39-word/skill/) 

Read aloud, "skull" /skʌl/ is one sound away from these 2 words: 

[scale /skeɪl/](/bip39-word/scale/)[school /skuːl/](/bip39-word/school/) 

## More BIP39 Words Starting with "S"

[ #1619 ski ](/bip39-word/ski/)[ #1620 skill ](/bip39-word/skill/)[ #1621 skin ](/bip39-word/skin/)[ #1622 skirt ](/bip39-word/skirt/)[ #1624 slab ](/bip39-word/slab/)[ #1625 slam ](/bip39-word/slam/)[ #1626 sleep ](/bip39-word/sleep/)[ #1627 slender ](/bip39-word/slender/) 

[View all words starting with "S" ](/bip39-words/s/) 

## Seed phrase, key and recovery guides

- [BIP85: Derive Many Seed Phrases From One Seed](/bip85/)
- [How to View & Recover Bitcoin Wallet.dat Content](/how-to-view-and-recover-bitcoin-wallet-dat-content/)
- [Bitcoin Private Key Format: WIF, Base58 and Hex Explained](/private-key-btc/)

[ Full BIP39 Wordlist ](/)
