---
title: "BIP39 Word #1781: teach — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/teach/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #1781 11011110100 

# teach — BIP39 word #1781

"**teach**" is word #1781 of the 2048 words in the official BIP39 English wordlist, between [taxi](/bip39-word/taxi/) and [team](/bip39-word/team/). In a seed phrase it stands for the 11-bit value `11011110100`, decimal index 1780\. 

/tiːʧ/  · _verb:_ to give lessons, or to help someone learn something 

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

## 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):

[future](/bip39-word/future/)[ozone](/bip39-word/ozone/)[write](/bip39-word/write/)[soldier](/bip39-word/soldier/)[story](/bip39-word/story/)[surround](/bip39-word/surround/)[symptom](/bip39-word/symptom/)[test](/bip39-word/test/)[task](/bip39-word/task/)[tell](/bip39-word/tell/)[team](/bip39-word/team/) 

Position

Hex Index

0x6F4

4-Letter Prefix

teac

## About "teach" in BIP39

- "teach" has 5 letters, but the first four, **"teac"**, already identify it, because **"tea"** also begins [team](/bip39-word/team/).

## Word #1781 in the Other 9 BIP39 Wordlists

[Czech](/czech/) utonout 

[French](/french/) soigneux 

[Italian](/italian/) succoso 

[Japanese](/japanese/) ぽちぶくろ 

[Korean](/korean/) 콩나물 

[Portuguese](/portuguese/) sincero 

[Spanish](/spanish/) surgir 

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

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

## Similar Words — Check Carefully During Recovery

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

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

Read aloud, "teach" /tiːʧ/ is one sound away from these 2 words: 

[team /tiːm/](/bip39-word/team/)[torch /tɔːʧ/](/bip39-word/torch/) 

Words sharing the first three letters "tea":

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

## More BIP39 Words Starting with "T"

[ #1777 task ](/bip39-word/task/)[ #1778 taste ](/bip39-word/taste/)[ #1779 tattoo ](/bip39-word/tattoo/)[ #1780 taxi ](/bip39-word/taxi/)[ #1782 team ](/bip39-word/team/)[ #1783 tell ](/bip39-word/tell/)[ #1784 ten ](/bip39-word/ten/)[ #1785 tenant ](/bip39-word/tenant/) 

[View all words starting with "T" ](/bip39-words/t/) 

## Seed phrase, key and recovery guides

- [Bitcoin Improvement Proposal (BIP): Process and Deployed BIP List](/bitcoin-improvement-proposal/)
- [TON Seed Phrase: 24-Word Format vs 12-Word BIP39 Phrases](/seed-phrase-format-for-ton-wallets/)
- [Recover Lost Bitcoin: Find Wallet Backups and Seed Phrases](/recover-lost-bitcoin-find-wallet-backups/)

[ Full BIP39 Wordlist ](/)