rule — BIP39 word #1514
"rule" is word #1514 of the 2048 words in the official BIP39 English wordlist, between rug and run.
In a seed phrase it stands for the 11-bit value
10111101001,
decimal index 1513.
/ruːl/ · noun: an official instruction about what is or is not allowed
Russian: правило
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):
Position
#1514 of 2048
Hex Index
0x5E9
4-Letter Prefix
rule
About "rule" in BIP39
- "rule" has 4 letters, but the first three, "rul", already identify it, because "ru" also begins rubber, rude, rug, run, runway and rural. Three letters are enough for only 604 of the 2048 words.
- "rule" is unique only within the English list: it also begins ruleta in the Spanish list, so a four-letter backup should say which list it uses.
- "rule" appears in one of the 24 official English test vectors of BIP39: vector #20 (word 2 of 18). Every official vector passes the checksum checker, and How BIP39 works shows how the entropy turns into such words.
light rule cinnamon wrap drastic word pride squirrel upgrade then income fatal apart sustain crack supply proud access
Word #1514 in the Other 9 BIP39 Wordlists
Similar Words — Check Carefully During Recovery
2 BIP39 words differ from "rule" by just a single letter — the most common source of typos when a seed phrase is entered by hand:
Read aloud, "rule" /ruːl/ is one sound away from these 8 words: