---
title: "BIP39 Word #89: arch — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/arch/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #89 00001011000 

# arch — BIP39 word #89

"**arch**" is word #89 of the 2048 words in the official BIP39 English wordlist, between [april](/bip39-word/april/) and [arctic](/bip39-word/arctic/). In a seed phrase it stands for the 11-bit value `00001011000`, decimal index 88\. 

/ɑːʧ/  · _noun:_ a curved structure spanning an opening such as a doorway 

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

## Binary Representation

Three 1-bits and eight 0-bits; 165 of the 2048 indexes have exactly three 1-bits.

One wrong bit turns it into (leftmost bit first):

[mention](/bip39-word/mention/)[enrich](/bip39-word/enrich/)[climb](/bip39-word/climb/)[brand](/bip39-word/brand/)[adapt](/bip39-word/adapt/)[audit](/bip39-word/audit/)[animal](/bip39-word/animal/)[anxiety](/bip39-word/anxiety/)[argue](/bip39-word/argue/)[area](/bip39-word/area/)[arctic](/bip39-word/arctic/) 

Position

Hex Index

0x058

4-Letter Prefix

arch

## About "arch" in BIP39

- It takes all four letters to identify "arch": **"arc"** also begins [arctic](/bip39-word/arctic/).
- **"arch"** is unique only within the English list: it also begins archivo in the [Spanish list](/spanish/), archivio in the [Italian list](/italian/) and archa in the [Czech list](/czech/), so a four-letter backup should say which list it uses.

## Word #89 in the Other 9 BIP39 Wordlists

[Czech](/czech/) bojovat 

[French](/french/) amateur 

[Italian](/italian/) ampio 

[Japanese](/japanese/) いたみ 

[Korean](/korean/) 경력 

[Portuguese](/portuguese/) albergue 

[Spanish](/spanish/) amante 

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

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

## Similar Words — Check Carefully During Recovery

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

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

Read aloud, "arch" /ɑːʧ/ is one sound away from these 2 words: 

[arm /ɑːm/](/bip39-word/arm/)[art /ɑːt/](/bip39-word/art/) 

Words sharing the first three letters "arc":

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

## More BIP39 Words Starting with "A"

[ #85 appear ](/bip39-word/appear/)[ #86 apple ](/bip39-word/apple/)[ #87 approve ](/bip39-word/approve/)[ #88 april ](/bip39-word/april/)[ #90 arctic ](/bip39-word/arctic/)[ #91 area ](/bip39-word/area/)[ #92 arena ](/bip39-word/arena/)[ #93 argue ](/bip39-word/argue/) 

[View all words starting with "A" ](/bip39-words/a/) 

## 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 ](/)