Word #1668 11010000011
spare — BIP39 word #1668
"spare" is word #1668 of the 2048 words in the official BIP39 English wordlist, between space and spatial.
In a seed phrase it stands for the 11-bit value
11010000011,
decimal index 1667.
/speə/ · adjective: extra and kept in case it is needed, or not being used
Russian: запасной
Binary Representation
Five 1-bits and six 0-bits; 462 of the 2048 indexes have exactly five 1-bits.
One wrong bit turns it into (leftmost bit first):
Position
#1668 of 2048
Hex Index
0x683
4-Letter Prefix
spar
About "spare" in BIP39
- "spare" has 5 letters, but the first four, "spar", already identify it, because "spa" also begins space, spatial and spawn.
- "spar" is unique only within the English list: it also begins spargere in the Italian list, so a four-letter backup should say which list it uses.
Word #1668 in the Other 9 BIP39 Wordlists
Similar Words — Check Carefully During Recovery
3 BIP39 words differ from "spare" by just a single letter — the most common source of typos when a seed phrase is entered by hand:
Read aloud, "spare" /speə/ is one sound away from these 4 words: