--- title: "BIP39 Word #1231: oil — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/oil/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #1231 10011001110 # oil — BIP39 word #1231 "**oil**" is word #1231 of the 2048 words in the official BIP39 English wordlist, between [often](/bip39-word/often/) and [okay](/bip39-word/okay/). In a seed phrase it stands for the 11-bit value `10011001110`, decimal index 1230\. /ɔɪl/ · _noun:_ a thick liquid used as fuel, for cooking or to make machines run smoothly [Russian](/ru/ "The BIP39 wordlist with Russian translations"): масло ## 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): [border](/bip39-word/border/)[supply](/bip39-word/supply/)[right](/bip39-word/right/)[mean](/bip39-word/mean/)[mushroom](/bip39-word/mushroom/)[oven](/bip39-word/oven/)[orange](/bip39-word/orange/)[occur](/bip39-word/occur/)[off](/bip39-word/off/)[office](/bip39-word/office/)[okay](/bip39-word/okay/) Position Hex Index 0x4CE 4-Letter Prefix oil ## About "oil" in BIP39 - Two letters are enough: no other BIP39 word begins with **"oi"**, which makes "oil" one of only 34 words that can be told apart this early. ## Word #1231 in the Other 9 BIP39 Wordlists [Czech](/czech/) plnit [French](/french/) mensonge [Italian](/italian/) parlato [Japanese](/japanese/) つづく [Korean](/korean/) 왕자 [Portuguese](/portuguese/) maroto [Spanish](/spanish/) neto [Traditional Chinese](/chinese-traditional/) 夥 [Simplified Chinese](/chinese-simplified/) 伙 ## Similar Words — Check Carefully During Recovery 3 BIP39 words differ from "oil" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [boil](/bip39-word/boil/)[coil](/bip39-word/coil/)[foil](/bip39-word/foil/) Read aloud, "oil" /ɔɪl/ is one sound away from these 3 words: [aisle /aɪl/](/bip39-word/aisle/)[all /ɔːl/](/bip39-word/all/)[ill /ɪl/](/bip39-word/ill/) ## More BIP39 Words Starting with "O" [ #1227 off ](/bip39-word/off/)[ #1228 offer ](/bip39-word/offer/)[ #1229 office ](/bip39-word/office/)[ #1230 often ](/bip39-word/often/)[ #1232 okay ](/bip39-word/okay/)[ #1233 old ](/bip39-word/old/)[ #1234 olive ](/bip39-word/olive/)[ #1235 olympic ](/bip39-word/olympic/) [View all words starting with "O" ](/bip39-words/o/) ## Seed phrase, key and recovery guides - [Monero Seed Phrase: 25 Words, Polyseed and Private Keys](/seed-phrase-and-private-key-format-of-monero-guide/) - [BIP85: Derive Many Seed Phrases From One Seed](/bip85/) - [How to View & Recover Bitcoin Wallet.dat Content](/how-to-view-and-recover-bitcoin-wallet-dat-content/) [ Full BIP39 Wordlist ](/)