---
title: "BIP39 Word #977: key — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/key/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #977 01111010000 

# key — BIP39 word #977

"**key**" is word #977 of the 2048 words in the official BIP39 English wordlist, between [ketchup](/bip39-word/ketchup/) and [kick](/bip39-word/kick/). In a seed phrase it stands for the 11-bit value `01111010000`, decimal index 976\. 

/kiː/  · _noun:_ a shaped piece of metal that opens a lock, or a crucial factor 

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

## 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):

[wheel](/bip39-word/wheel/)[deliver](/bip39-word/deliver/)[foam](/bip39-word/foam/)[head](/bip39-word/head/)[improve](/bip39-word/improve/)[lawn](/bip39-word/lawn/)[job](/bip39-word/job/)[kitchen](/bip39-word/kitchen/)[kind](/bip39-word/kind/)[kid](/bip39-word/kid/)[kick](/bip39-word/kick/) 

Position

Hex Index

0x3D0

4-Letter Prefix

key

## About "key" in BIP39

- It takes all three letters to identify "key": **"ke"** also begins [keen](/bip39-word/keen/), [keep](/bip39-word/keep/) and [ketchup](/bip39-word/ketchup/). Three letters are enough for only 604 of the 2048 words.

## Word #977 in the Other 9 BIP39 Wordlists

[Czech](/czech/) nikl 

[French](/french/) heureux 

[Italian](/italian/) maretta 

[Japanese](/japanese/) せんたく 

[Korean](/korean/) 시작 

[Portuguese](/portuguese/) gula 

[Spanish](/spanish/) laico 

[Traditional Chinese](/chinese-traditional/) 零 

[Simplified Chinese](/chinese-simplified/) 零 

## Similar Words — Check Carefully During Recovery

Read aloud, "key" /kiː/ is one sound away from these 8 words: 

[car /kɑː/](/bip39-word/car/)[core /kɔː/](/bip39-word/core/)[fee /fiː/](/bip39-word/fee/)[keen /kiːn/](/bip39-word/keen/)[keep /kiːp/](/bip39-word/keep/)[knee /niː/](/bip39-word/knee/)[sea /siː/](/bip39-word/sea/)[ski /skiː/](/bip39-word/ski/) 

## More BIP39 Words Starting with "K"

[ #973 kangaroo ](/bip39-word/kangaroo/)[ #974 keen ](/bip39-word/keen/)[ #975 keep ](/bip39-word/keep/)[ #976 ketchup ](/bip39-word/ketchup/)[ #978 kick ](/bip39-word/kick/)[ #979 kid ](/bip39-word/kid/)[ #980 kidney ](/bip39-word/kidney/)[ #981 kind ](/bip39-word/kind/) 

[View all words starting with "K" ](/bip39-words/k/) 

## Seed phrase, key and recovery guides

- [Test Your Wallet Backup: A Self-Audit of Your Seed Phrase](/hack-own-crypto-wallet/)
- [EVM Address Format Explained: Structure & Usage](/format-evm-addresses/)
- [Is a Seed Phrase Case Sensitive? BIP39 Words vs Passphrase](/is-seed-phrase-case-sensitivity-really-important/)

[ Full BIP39 Wordlist ](/)