---
title: "BIP39 Word #407: crazy — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/crazy/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #407 00110010110 

# crazy — BIP39 word #407

"**crazy**" is word #407 of the 2048 words in the official BIP39 English wordlist, between [crawl](/bip39-word/crawl/) and [cream](/bip39-word/cream/). In a seed phrase it stands for the 11-bit value `00110010110`, decimal index 406\. 

/ˈkreɪzi/  · _adjective:_ mad or very foolish, or extremely enthusiastic about something 

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

## Binary Representation

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

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

[ready](/bip39-word/ready/)[index](/bip39-word/index/)[barrel](/bip39-word/barrel/)[carpet](/bip39-word/carpet/)[depart](/bip39-word/depart/)[cycle](/bip39-word/cycle/)[cotton](/bip39-word/cotton/)[critic](/bip39-word/critic/)[crane](/bip39-word/crane/)[crater](/bip39-word/crater/)[cream](/bip39-word/cream/) 

Position

Hex Index

0x196

4-Letter Prefix

craz

## About "crazy" in BIP39

- "crazy" has 5 letters, but the first four, **"craz"**, already identify it, because **"cra"** also begins 8 other words, among them [crack](/bip39-word/crack/), [cradle](/bip39-word/cradle/), [craft](/bip39-word/craft/) and [cram](/bip39-word/cram/).

## Word #407 in the Other 9 BIP39 Wordlists

[Czech](/czech/) hlasivky 

[French](/french/) claquer 

[Italian](/italian/) cosmico 

[Japanese](/japanese/) きせい 

[Korean](/korean/) 도망 

[Portuguese](/portuguese/) casulo 

[Spanish](/spanish/) ciruela 

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

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

## Similar Words — Check Carefully During Recovery

Words sharing the first three letters "cra":

[crack](/bip39-word/crack/)[cradle](/bip39-word/cradle/)[craft](/bip39-word/craft/)[cram](/bip39-word/cram/)[crane](/bip39-word/crane/)[crash](/bip39-word/crash/)[crater](/bip39-word/crater/)[crawl](/bip39-word/crawl/) 

## More BIP39 Words Starting with "C"

[ #403 crane ](/bip39-word/crane/)[ #404 crash ](/bip39-word/crash/)[ #405 crater ](/bip39-word/crater/)[ #406 crawl ](/bip39-word/crawl/)[ #408 cream ](/bip39-word/cream/)[ #409 credit ](/bip39-word/credit/)[ #410 creek ](/bip39-word/creek/)[ #411 crew ](/bip39-word/crew/) 

[View all words starting with "C" ](/bip39-words/c/) 

## Seed phrase, key and recovery guides

- [How to Restore a Wallet From a Seed Phrase: Step by Step](/restore-wallet-from-seed-phrase/)
- [xpub, ypub and zpub: Extended Public Keys Explained](/xpub-ypub-zpub/)
- [SLIP-39 vs BIP39: Shamir Backup and 20-Word Shares Explained](/slip39-vs-bip39/)

[ Full BIP39 Wordlist ](/)