---
title: "BIP39 Word #1651: soft — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/soft/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #1651 11001110010 

# soft — BIP39 word #1651

"**soft**" is word #1651 of the 2048 words in the official BIP39 English wordlist, between [soda](/bip39-word/soda/) and [solar](/bip39-word/solar/). In a seed phrase it stands for the 11-bit value `11001110010`, decimal index 1650\. 

/sɒft/  · _adjective:_ not hard or firm, gentle to touch, or quiet 

[Russian](/ru/ "The BIP39 wordlist with Russian translations"): мягкий 

## 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):

[exact](/bip39-word/exact/)[mixture](/bip39-word/mixture/)[unusual](/bip39-word/unusual/)[tattoo](/bip39-word/tattoo/)[shock](/bip39-word/shock/)[ski](/bip39-word/ski/)[slush](/bip39-word/slush/)[soon](/bip39-word/soon/)[solution](/bip39-word/solution/)[sock](/bip39-word/sock/)[solar](/bip39-word/solar/) 

Position

Hex Index

0x672

4-Letter Prefix

soft

## About "soft" in BIP39

- "soft" has 4 letters, but the first three, **"sof"**, already identify it, because **"so"** also begins 20 other words, among them [soap](/bip39-word/soap/), [soccer](/bip39-word/soccer/), [social](/bip39-word/social/) and [sock](/bip39-word/sock/). Three letters are enough for only 604 of the 2048 words.
- "soft" appears in one of the 24 official English [test vectors](https://github.com/trezor/python-mnemonic/blob/master/vectors.json) of BIP39: vector #18 (word 11 of 24). Every official vector passes the [checksum checker](/bip39-checksum-checker/), and [How BIP39 works](/how-bip39-works/) shows how the entropy turns into such words.

Official test vector #18

[panda](/bip39-word/panda/) [eyebrow](/bip39-word/eyebrow/) [bullet](/bip39-word/bullet/) [gorilla](/bip39-word/gorilla/) [call](/bip39-word/call/) [smoke](/bip39-word/smoke/) [muffin](/bip39-word/muffin/) [taste](/bip39-word/taste/) [mesh](/bip39-word/mesh/) [discover](/bip39-word/discover/) soft [ostrich](/bip39-word/ostrich/) [alcohol](/bip39-word/alcohol/) [speed](/bip39-word/speed/) [nation](/bip39-word/nation/) [flash](/bip39-word/flash/) [devote](/bip39-word/devote/) [level](/bip39-word/level/) [hobby](/bip39-word/hobby/) [quick](/bip39-word/quick/) [inner](/bip39-word/inner/) [drive](/bip39-word/drive/) [ghost](/bip39-word/ghost/) [inside](/bip39-word/inside/) 

## Word #1651 in the Other 9 BIP39 Wordlists

[Czech](/czech/) sypat 

[French](/french/) rétablir 

[Italian](/italian/) sfuso 

[Japanese](/japanese/) ひまん 

[Korean](/korean/) 집중 

[Portuguese](/portuguese/) reitor 

[Spanish](/spanish/) rueda 

[Traditional Chinese](/chinese-traditional/) 泉 

[Simplified Chinese](/chinese-simplified/) 泉 

## Similar Words — Check Carefully During Recovery

 One BIP39 word differs from "soft" by just a single letter — the most common source of typos when a seed phrase is entered by hand: 

[sort](/bip39-word/sort/) 

## More BIP39 Words Starting with "S"

[ #1647 soccer ](/bip39-word/soccer/)[ #1648 social ](/bip39-word/social/)[ #1649 sock ](/bip39-word/sock/)[ #1650 soda ](/bip39-word/soda/)[ #1652 solar ](/bip39-word/solar/)[ #1653 soldier ](/bip39-word/soldier/)[ #1654 solid ](/bip39-word/solid/)[ #1655 solution ](/bip39-word/solution/) 

[View all words starting with "S" ](/bip39-words/s/) 

## Seed phrase, key and recovery guides

- [EVM Address Format Explained: Structure & Usage](/format-evm-addresses/)
- [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/)

[ Full BIP39 Wordlist ](/)