--- title: "BIP39 Word #1599: sick — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/sick/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #1599 11000111110 # sick — BIP39 word #1599 "**sick**" is word #1599 of the 2048 words in the official BIP39 English wordlist, between [sibling](/bip39-word/sibling/) and [side](/bip39-word/side/). In a seed phrase it stands for the 11-bit value `11000111110`, decimal index 1598\. /sɪk/ · _adjective:_ ill or unwell, or feeling that you might vomit [Russian](/ru/ "The BIP39 wordlist with Russian translations"): больной ## Binary Representation Seven 1-bits and four 0-bits; 330 of the 2048 indexes have exactly seven 1-bits. One wrong bit turns it into (leftmost bit first): [elephant](/bip39-word/elephant/)[march](/bip39-word/march/)[treat](/bip39-word/treat/)[style](/bip39-word/style/)[sound](/bip39-word/sound/)[sense](/bip39-word/sense/)[shift](/bip39-word/shift/)[short](/bip39-word/short/)[shrug](/bip39-word/shrug/)[shy](/bip39-word/shy/)[side](/bip39-word/side/) Position Hex Index 0x63E 4-Letter Prefix sick ## About "sick" in BIP39 - "sick" has 4 letters, but the first three, **"sic"**, already identify it, because **"si"** also begins 18 other words, among them [sibling](/bip39-word/sibling/), [side](/bip39-word/side/), [siege](/bip39-word/siege/) and [sight](/bip39-word/sight/). Three letters are enough for only 604 of the 2048 words. ## Word #1599 in the Other 9 BIP39 Wordlists [Czech](/czech/) sraz [French](/french/) rayonner [Italian](/italian/) scuro [Japanese](/japanese/) ぱんち [Korean](/korean/) 중소기업 [Portuguese](/portuguese/) racionar [Spanish](/spanish/) res [Traditional Chinese](/chinese-traditional/) 緒 [Simplified Chinese](/chinese-simplified/) 绪 ## Similar Words — Check Carefully During Recovery 4 BIP39 words differ from "sick" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [kick](/bip39-word/kick/)[silk](/bip39-word/silk/)[sock](/bip39-word/sock/)[stick](/bip39-word/stick/) Read aloud, "sick" /sɪk/ is one sound away from these 3 words: [seek /siːk/](/bip39-word/seek/)[sing /sɪŋ/](/bip39-word/sing/)[six /sɪks/](/bip39-word/six/) ## More BIP39 Words Starting with "S" [ #1595 shrug ](/bip39-word/shrug/)[ #1596 shuffle ](/bip39-word/shuffle/)[ #1597 shy ](/bip39-word/shy/)[ #1598 sibling ](/bip39-word/sibling/)[ #1600 side ](/bip39-word/side/)[ #1601 siege ](/bip39-word/siege/)[ #1602 sight ](/bip39-word/sight/)[ #1603 sign ](/bip39-word/sign/) [View all words starting with "S" ](/bip39-words/s/) ## Seed phrase, key and recovery guides - [12 vs 24 Word Seed Phrase: Which Is More Secure?](/12-vs-24-word-seed-phrase/) - [BIP 157 Client-Side Block Filtering: Compact Filters Explained](/bip-157-client-side-block-filtering/) - [Bitcoin Core Seed Phrase: Why There Is None and How to Back Up](/bitcoin-core-seed-phrase-backup-guide/) [ Full BIP39 Wordlist ](/)