---
title: "BIP39 Word #1511: rubber — Seed Phrase Mnemonic Word"
url: "https://bip39-phrase.com/bip39-word/rubber/"
language: "en"
updated: "2026-10-19T00:00:00+00:00"
---

Word #1511 10111100110 

# rubber — BIP39 word #1511

"**rubber**" is word #1511 of the 2048 words in the official BIP39 English wordlist, between [royal](/bip39-word/royal/) and [rude](/bip39-word/rude/). In a seed phrase it stands for the 11-bit value `10111100110`, decimal index 1510\. 

/ˈrʌbə/  · _noun:_ a strong elastic material made from tree sap or chemicals 

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

## 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):

[devote](/bip39-word/devote/)[wolf](/bip39-word/wolf/)[orphan](/bip39-word/orphan/)[proud](/bip39-word/proud/)[regular](/bip39-word/regular/)[rhythm](/bip39-word/rhythm/)[salute](/bip39-word/salute/)[saddle](/bip39-word/saddle/)[rough](/bip39-word/rough/)[route](/bip39-word/route/)[rude](/bip39-word/rude/) 

Position

Hex Index

0x5E6

4-Letter Prefix

rubb

## About "rubber" in BIP39

- "rubber" has 6 letters, but the first three, **"rub"**, already identify it, because **"ru"** also begins [rude](/bip39-word/rude/), [rug](/bip39-word/rug/), [rule](/bip39-word/rule/), [run](/bip39-word/run/), [runway](/bip39-word/runway/) and [rural](/bip39-word/rural/). Three letters are enough for only 604 of the 2048 words.

## Word #1511 in the Other 9 BIP39 Wordlists

[Czech](/czech/) shoda 

[French](/french/) pointe 

[Italian](/italian/) rotondo 

[Japanese](/japanese/) のこす 

[Korean](/korean/) 접촉 

[Portuguese](/portuguese/) pipoca 

[Spanish](/spanish/) prueba 

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

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

## More BIP39 Words Starting with "R"

[ #1507 rough ](/bip39-word/rough/)[ #1508 round ](/bip39-word/round/)[ #1509 route ](/bip39-word/route/)[ #1510 royal ](/bip39-word/royal/)[ #1512 rude ](/bip39-word/rude/)[ #1513 rug ](/bip39-word/rug/)[ #1514 rule ](/bip39-word/rule/)[ #1515 run ](/bip39-word/run/) 

[View all words starting with "R" ](/bip39-words/r/) 

## Seed phrase, key and recovery guides

- [Metal Seed Phrase Backup: Steel Plates, Tiles and Tests](/metal-seed-phrase-backup/)
- [Invalid Seed Phrase? How to Find and Fix a Wrong Word (BIP39)](/how-to-fix-seed-phrase-errors/)
- [Ethereum Keystore File (JSON Wallet): Structure and Security](/json-wallets-explained/)

[ Full BIP39 Wordlist ](/)
