---
title: "BIP39 Word #684: fever — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/fever/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #684 01010101011 

# fever — BIP39 word #684

"**fever**" is word #684 of the 2048 words in the official BIP39 English wordlist, between [fetch](/bip39-word/fetch/) and [few](/bip39-word/few/). In a seed phrase it stands for the 11-bit value `01010101011`, decimal index 683\. 

/ˈfiːvə/  · _noun:_ an abnormally high body temperature, usually caused by illness 

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

## 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):

[step](/bip39-word/step/)[betray](/bip39-word/betray/)[install](/bip39-word/install/)[earth](/bip39-word/earth/)[frost](/bip39-word/frost/)[fabric](/bip39-word/fabric/)[first](/bip39-word/first/)[federal](/bip39-word/federal/)[field](/bip39-word/field/)[festival](/bip39-word/festival/)[fetch](/bip39-word/fetch/) 

Position

Hex Index

0x2AB

4-Letter Prefix

feve

## About "fever" in BIP39

- "fever" has 5 letters, but the first three, **"fev"**, already identify it, because **"fe"** also begins 11 other words, among them [feature](/bip39-word/feature/), [february](/bip39-word/february/), [federal](/bip39-word/federal/) and [fee](/bip39-word/fee/). Three letters are enough for only 604 of the 2048 words.

## Word #684 in the Other 9 BIP39 Wordlists

[Czech](/czech/) kronika 

[French](/french/) enrobage 

[Italian](/italian/) forchetta 

[Japanese](/japanese/) こよい 

[Korean](/korean/) 부문 

[Portuguese](/portuguese/) empenho 

[Spanish](/spanish/) famoso 

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

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

## Similar Words — Check Carefully During Recovery

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

[never](/bip39-word/never/) 

Read aloud, "fever" /ˈfiːvə/ is one sound away from this word: 

[feature /ˈfiːʧə/](/bip39-word/feature/) 

## More BIP39 Words Starting with "F"

[ #680 female ](/bip39-word/female/)[ #681 fence ](/bip39-word/fence/)[ #682 festival ](/bip39-word/festival/)[ #683 fetch ](/bip39-word/fetch/)[ #685 few ](/bip39-word/few/)[ #686 fiber ](/bip39-word/fiber/)[ #687 fiction ](/bip39-word/fiction/)[ #688 field ](/bip39-word/field/) 

[View all words starting with "F" ](/bip39-words/f/) 

## Seed phrase, key and recovery guides

- [How to Encrypt a Seed Phrase: AES, XOR and Steganography](/seed-phrase-encrypting-with-aes-xor-and-steganography/)
- [Bitcoin Improvement Proposal (BIP): Process and Deployed BIP List](/bitcoin-improvement-proposal/)
- [TON Seed Phrase: 24-Word Format vs 12-Word BIP39 Phrases](/seed-phrase-format-for-ton-wallets/)

[ Full BIP39 Wordlist ](/)