--- title: "BIP39 Word #1691: spy — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/spy/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #1691 11010011010 # spy — BIP39 word #1691 "**spy**" is word #1691 of the 2048 words in the official BIP39 English wordlist, between [spring](/bip39-word/spring/) and [square](/bip39-word/square/). In a seed phrase it stands for the 11-bit value `11010011010`, decimal index 1690\. /spaɪ/ · _noun:_ a person who secretly gathers information about an enemy or rival [Russian](/ru/ "The BIP39 wordlist with Russian translations"): шпион ## 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): [fashion](/bip39-word/fashion/)[nation](/bip39-word/nation/)[viable](/bip39-word/viable/)[select](/bip39-word/select/)[swap](/bip39-word/swap/)[struggle](/bip39-word/struggle/)[spend](/bip39-word/spend/)[spoil](/bip39-word/spoil/)[stable](/bip39-word/stable/)[spread](/bip39-word/spread/)[square](/bip39-word/square/) Position Hex Index 0x69A 4-Letter Prefix spy ## About "spy" in BIP39 - It takes all three letters to identify "spy": **"sp"** also begins 24 other words, among them [space](/bip39-word/space/), [spare](/bip39-word/spare/), [spatial](/bip39-word/spatial/) and [spawn](/bip39-word/spawn/). Three letters are enough for only 604 of the 2048 words. ## Word #1691 in the Other 9 BIP39 Wordlists [Czech](/czech/) tkanina [French](/french/) ruche [Italian](/italian/) snodo [Japanese](/japanese/) ふこう [Korean](/korean/) 천재 [Portuguese](/portuguese/) robalo [Spanish](/spanish/) sastre [Traditional Chinese](/chinese-traditional/) 沈 [Simplified Chinese](/chinese-simplified/) 沈 ## Similar Words — Check Carefully During Recovery 2 BIP39 words differ from "spy" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [say](/bip39-word/say/)[shy](/bip39-word/shy/) Read aloud, "spy" /spaɪ/ is one sound away from these 3 words: [spare /speə/](/bip39-word/spare/)[spice /spaɪs/](/bip39-word/spice/)[spike /spaɪk/](/bip39-word/spike/) ## More BIP39 Words Starting with "S" [ #1687 spot ](/bip39-word/spot/)[ #1688 spray ](/bip39-word/spray/)[ #1689 spread ](/bip39-word/spread/)[ #1690 spring ](/bip39-word/spring/)[ #1692 square ](/bip39-word/square/)[ #1693 squeeze ](/bip39-word/squeeze/)[ #1694 squirrel ](/bip39-word/squirrel/)[ #1695 stable ](/bip39-word/stable/) [View all words starting with "S" ](/bip39-words/s/) ## Seed phrase, key and recovery guides - [Seed Phrase Scams: How Thieves Get Your Recovery Words](/seed-phrase-scams/) - [How to Store a Seed Phrase: Paper, Steel and Safe Locations](/store-a-seed-phrase/) - [How to Restore a Wallet From a Seed Phrase: Step by Step](/restore-wallet-from-seed-phrase/) [ Full BIP39 Wordlist ](/)