--- title: "BIP39 Word #1620: skill — Seed Phrase Mnemonic Word" url: "https://bip39-phrase.com/bip39-word/skill/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- Word #1620 11001010011 # skill — BIP39 word #1620 "**skill**" is word #1620 of the 2048 words in the official BIP39 English wordlist, between [ski](/bip39-word/ski/) and [skin](/bip39-word/skin/). In a seed phrase it stands for the 11-bit value `11001010011`, decimal index 1619\. /skɪl/ · _noun:_ the ability to do something well, gained through practice [Russian](/ru/ "The BIP39 wordlist with Russian translations"): мастерство ## 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): [engine](/bip39-word/engine/)[media](/bip39-word/media/)[tuna](/bip39-word/tuna/)[surprise](/bip39-word/surprise/)[second](/bip39-word/second/)[solar](/bip39-word/solar/)[silent](/bip39-word/silent/)[slice](/bip39-word/slice/)[slab](/bip39-word/slab/)[sketch](/bip39-word/sketch/)[ski](/bip39-word/ski/) Position Hex Index 0x653 4-Letter Prefix skil ## About "skill" in BIP39 - "skill" has 5 letters, but the first four, **"skil"**, already identify it, because **"ski"** also begins [ski](/bip39-word/ski/), [skin](/bip39-word/skin/) and [skirt](/bip39-word/skirt/). - Its first letters also spell another BIP39 word, [ski](/bip39-word/ski/). Write "skill" out in full: cut short, it turns into a different valid word. ## Word #1620 in the Other 9 BIP39 Wordlists [Czech](/czech/) strhnout [French](/french/) réglage [Italian](/italian/) sentire [Japanese](/japanese/) ひこうき [Korean](/korean/) 지리산 [Portuguese](/portuguese/) rasteira [Spanish](/spanish/) rincón [Traditional Chinese](/chinese-traditional/) 逆 [Simplified Chinese](/chinese-simplified/) 逆 ## Similar Words — Check Carefully During Recovery 2 BIP39 words differ from "skill" by just a single letter — the most common source of typos when a seed phrase is entered by hand: [skull](/bip39-word/skull/)[still](/bip39-word/still/) Read aloud, "skill" /skɪl/ is one sound away from these 3 words: [scale /skeɪl/](/bip39-word/scale/)[school /skuːl/](/bip39-word/school/)[skin /skɪn/](/bip39-word/skin/) Words sharing the first three letters "ski": [ski](/bip39-word/ski/)[skin](/bip39-word/skin/)[skirt](/bip39-word/skirt/) ## More BIP39 Words Starting with "S" [ #1616 size ](/bip39-word/size/)[ #1617 skate ](/bip39-word/skate/)[ #1618 sketch ](/bip39-word/sketch/)[ #1619 ski ](/bip39-word/ski/)[ #1621 skin ](/bip39-word/skin/)[ #1622 skirt ](/bip39-word/skirt/)[ #1623 skull ](/bip39-word/skull/)[ #1624 slab ](/bip39-word/slab/) [View all words starting with "S" ](/bip39-words/s/) ## Seed phrase, key and recovery guides - [Is a Seed Phrase Case Sensitive? BIP39 Words vs Passphrase](/is-seed-phrase-case-sensitivity-really-important/) - [BIP-444 (Now BIP 110): Reduced Data Temporary Softfork Explained](/bip-444-reduced-data-temporary-softfork/) - [Metal Seed Phrase Backup: Steel Plates, Tiles and Tests](/metal-seed-phrase-backup/) [ Full BIP39 Wordlist ](/)