--- title: "BIP39 Word #282: case — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/case/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #282 00100011001 # case — BIP39 word #282 "**case**" is word #282 of the 2048 words in the official BIP39 English wordlist, between [cart](/bip39-word/cart/) and [cash](/bip39-word/cash/). In a seed phrase it stands for the 11-bit value `00100011001`, decimal index 281\. /keɪs/ · _noun:_ a particular situation or example, or a container for holding things [Russian](/ru/ "The BIP39 wordlist with Russian translations"): случай ## Binary Representation Four 1-bits and seven 0-bits; 330 of the 2048 indexes have exactly four 1-bits. One wrong bit turns it into (leftmost bit first): [permit](/bip39-word/permit/)[glimpse](/bip39-word/glimpse/)[add](/bip39-word/add/)[creek](/bip39-word/creek/)[clinic](/bip39-word/clinic/)[cheese](/bip39-word/cheese/)[cancel](/bip39-word/cancel/)[captain](/bip39-word/captain/)[casual](/bip39-word/casual/)[casino](/bip39-word/casino/)[cart](/bip39-word/cart/) Position Hex Index 0x119 4-Letter Prefix case ## About "case" in BIP39 - It takes all four letters to identify "case": **"cas"** also begins [cash](/bip39-word/cash/), [casino](/bip39-word/casino/), [castle](/bip39-word/castle/) and [casual](/bip39-word/casual/). - **"case"** is unique only within the English list: it also begins casero in the [Spanish list](/spanish/), caserma in the [Italian list](/italian/) and casebre in the [Portuguese list](/portuguese/), so a four-letter backup should say which list it uses. ## Word #282 in the Other 9 BIP39 Wordlists [Czech](/czech/) dovozce [French](/french/) bricoler [Italian](/italian/) caduco [Japanese](/japanese/) おじさん [Korean](/korean/) 깨달음 [Portuguese](/portuguese/) bexiga [Spanish](/spanish/) brote [Traditional Chinese](/chinese-traditional/) 志 [Simplified Chinese](/chinese-simplified/) 志 ## Similar Words — Check Carefully During Recovery 7 BIP39 words differ from "case" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [base](/bip39-word/base/)[cage](/bip39-word/cage/)[cake](/bip39-word/cake/)[cash](/bip39-word/cash/)[cause](/bip39-word/cause/)[cave](/bip39-word/cave/)[chase](/bip39-word/chase/) Read aloud, "case" /keɪs/ is one sound away from these 5 words: [chaos /ˈkeɪɒs/](/bip39-word/chaos/)[course /kɔːs/](/bip39-word/course/)[face /feɪs/](/bip39-word/face/)[kiss /kɪs/](/bip39-word/kiss/)[race /reɪs/](/bip39-word/race/) Words sharing the first three letters "cas": [cash](/bip39-word/cash/)[casino](/bip39-word/casino/)[castle](/bip39-word/castle/)[casual](/bip39-word/casual/) ## More BIP39 Words Starting with "C" [ #278 cargo ](/bip39-word/cargo/)[ #279 carpet ](/bip39-word/carpet/)[ #280 carry ](/bip39-word/carry/)[ #281 cart ](/bip39-word/cart/)[ #283 cash ](/bip39-word/cash/)[ #284 casino ](/bip39-word/casino/)[ #285 castle ](/bip39-word/castle/)[ #286 casual ](/bip39-word/casual/) [View all words starting with "C" ](/bip39-words/c/) ## Seed phrase, key and recovery guides - [xpub, ypub and zpub: Extended Public Keys Explained](/xpub-ypub-zpub/) - [SLIP-39 vs BIP39: Shamir Backup and 20-Word Shares Explained](/slip39-vs-bip39/) - [Why You Should Never Create Your Own Seed Phrase](/why-you-should-never-create-your-own-seed-phrase/) [ Full BIP39 Wordlist ](/)