--- title: "BIP39 Word #1875: tumble — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/tumble/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #1875 11101010010 # tumble — BIP39 word #1875 "**tumble**" is word #1875 of the 2048 words in the official BIP39 English wordlist, between [tuition](/bip39-word/tuition/) and [tuna](/bip39-word/tuna/). In a seed phrase it stands for the 11-bit value `11101010010`, decimal index 1874\. /ˈtʌmbᵊl/ · _verb:_ to fall suddenly and helplessly, often rolling over [Russian](/ru/ "The BIP39 wordlist with Russian translations"): кувырок ## 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): [heart](/bip39-word/heart/)[prevent](/bip39-word/prevent/)[ski](/bip39-word/ski/)[where](/bip39-word/where/)[time](/bip39-word/time/)[unusual](/bip39-word/unusual/)[tribe](/bip39-word/tribe/)[twice](/bip39-word/twice/)[turn](/bip39-word/turn/)[tube](/bip39-word/tube/)[tuna](/bip39-word/tuna/) Position Hex Index 0x752 4-Letter Prefix tumb ## About "tumble" in BIP39 - "tumble" has 6 letters, but the first three, **"tum"**, already identify it, because **"tu"** also begins 7 other words, among them [tube](/bip39-word/tube/), [tuition](/bip39-word/tuition/), [tuna](/bip39-word/tuna/) and [tunnel](/bip39-word/tunnel/). Three letters are enough for only 604 of the 2048 words. - **"tumb"** is unique only within the English list: it also begins tumba in the [Spanish list](/spanish/), so a four-letter backup should say which list it uses. ## Word #1875 in the Other 9 BIP39 Wordlists [Czech](/czech/) vybrat [French](/french/) tétine [Italian](/italian/) trafila [Japanese](/japanese/) むらさき [Korean](/korean/) 풍경 [Portuguese](/portuguese/) terno [Spanish](/spanish/) tono [Traditional Chinese](/chinese-traditional/) 漲 [Simplified Chinese](/chinese-simplified/) 涨 ## Similar Words — Check Carefully During Recovery 2 BIP39 words differ from "tumble" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [humble](/bip39-word/humble/)[stumble](/bip39-word/stumble/) ## More BIP39 Words Starting with "T" [ #1871 truth ](/bip39-word/truth/)[ #1872 try ](/bip39-word/try/)[ #1873 tube ](/bip39-word/tube/)[ #1874 tuition ](/bip39-word/tuition/)[ #1876 tuna ](/bip39-word/tuna/)[ #1877 tunnel ](/bip39-word/tunnel/)[ #1878 turkey ](/bip39-word/turkey/)[ #1879 turn ](/bip39-word/turn/) [View all words starting with "T" ](/bip39-words/t/) ## Seed phrase, key and recovery guides - [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/) - [Recover Lost Bitcoin: Find Wallet Backups and Seed Phrases](/recover-lost-bitcoin-find-wallet-backups/) [ Full BIP39 Wordlist ](/)