---
title: "BIP39 Word #1684: sponsor — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/sponsor/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #1684 11010010011 

# sponsor — BIP39 word #1684

"**sponsor**" is word #1684 of the 2048 words in the official BIP39 English wordlist, between [spoil](/bip39-word/spoil/) and [spoon](/bip39-word/spoon/). In a seed phrase it stands for the 11-bit value `11010010011`, decimal index 1683\. 

/ˈspɒnsə/  · _noun:_ a person or company that pays for an event in return for advertising 

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

## 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):

[fame](/bip39-word/fame/)[mystery](/bip39-word/mystery/)[venue](/bip39-word/venue/)[second](/bip39-word/second/)[surprise](/bip39-word/surprise/)[stool](/bip39-word/stool/)[spare](/bip39-word/spare/)[square](/bip39-word/square/)[spray](/bip39-word/spray/)[split](/bip39-word/split/)[spoil](/bip39-word/spoil/) 

Position

Hex Index

0x693

4-Letter Prefix

spon

## About "sponsor" in BIP39

- "sponsor" has 7 letters, but the first four, **"spon"**, already identify it, because **"spo"** also begins [spoil](/bip39-word/spoil/), [spoon](/bip39-word/spoon/), [sport](/bip39-word/sport/) and [spot](/bip39-word/spot/).
- **"spon"** is unique only within the English list: it also begins sponzor in the [Czech list](/czech/), so a four-letter backup should say which list it uses.
- "sponsor" appears in one of the 24 official English [test vectors](https://github.com/trezor/python-mnemonic/blob/master/vectors.json) of BIP39: vector #17 (word 5 of 18). Every official vector passes the [checksum checker](/bip39-checksum-checker/), and [How BIP39 works](/how-bip39-works/) shows how the entropy turns into such words.

Official test vector #17

[horn](/bip39-word/horn/) [tenant](/bip39-word/tenant/) [knee](/bip39-word/knee/) [talent](/bip39-word/talent/) sponsor [spell](/bip39-word/spell/) [gate](/bip39-word/gate/) [clip](/bip39-word/clip/) [pulse](/bip39-word/pulse/) [soap](/bip39-word/soap/) [slush](/bip39-word/slush/) [warm](/bip39-word/warm/) [silver](/bip39-word/silver/) [nephew](/bip39-word/nephew/) [swap](/bip39-word/swap/) [uncle](/bip39-word/uncle/) [crack](/bip39-word/crack/) [brave](/bip39-word/brave/) 

## Word #1684 in the Other 9 BIP39 Wordlists

[Czech](/czech/) terapie 

[French](/french/) rouge 

[Italian](/italian/) smeraldo 

[Japanese](/japanese/) ふうふ 

[Korean](/korean/) 책임 

[Portuguese](/portuguese/) rigidez 

[Spanish](/spanish/) sanidad 

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

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

## Similar Words — Check Carefully During Recovery

Words sharing the first three letters "spo":

[spoil](/bip39-word/spoil/)[spoon](/bip39-word/spoon/)[sport](/bip39-word/sport/)[spot](/bip39-word/spot/) 

## More BIP39 Words Starting with "S"

[ #1680 spin ](/bip39-word/spin/)[ #1681 spirit ](/bip39-word/spirit/)[ #1682 split ](/bip39-word/split/)[ #1683 spoil ](/bip39-word/spoil/)[ #1685 spoon ](/bip39-word/spoon/)[ #1686 sport ](/bip39-word/sport/)[ #1687 spot ](/bip39-word/spot/)[ #1688 spray ](/bip39-word/spray/) 

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

## Seed phrase, key and recovery guides

- [Ethereum Keystore File (JSON Wallet): Structure and Security](/json-wallets-explained/)
- [What Is BIP39? The Standard Behind Seed Phrases](/bip39-the-foundation-of-crypto-wallet-security/)
- [Seed Phrase Examples: 12, 18 and 24 BIP39 Mnemonic Phrases](/mnemonic-words-examples-for-crypto-security-bip39/)

[ Full BIP39 Wordlist ](/)