--- title: "BIP39 Words Starting with B — 117 Mnemonic Seed Phrase Words" url: "https://bip39-phrase.com/bip39-words/b/" language: "en" updated: "2026-10-19T00:00:00+00:00" --- # BIP39 Words Starting with B (117 words) The 117 BIP39 words that start with B run from #137 [baby](/bip39-word/baby/) to #253 [buzz](/bip39-word/buzz/) in the English wordlist: indexes 136 to 252, or **00010001000** to **00011111100** in binary. That is 5.7% of the 2048 words, the 6th-largest of the 25 letter groups. Word length goes from 3 letters ([bag](/bip39-word/bag/), [bar](/bip39-word/bar/) and 4 more) to 8 ([bachelor](/bip39-word/bachelor/), [broccoli](/bip39-word/broccoli/) and 1 more). 29 three-letter beginnings are shared by two or more words; the largest, with 6 words each, are **"bri"** and **"bro"**. The 85 words in these groups need their first four letters to be told apart, while 32 are identified by the first three. The short words [bar](/bip39-word/bar/) and [bus](/bip39-word/bus/) also begin longer ones, so a four-letter backup keeps them whole. 48 of the 117 words have look-alikes one letter away, such as [bag](/bip39-word/bag/) and [bar](/bip39-word/bar/). Read aloud, 69 pairs differ by a single sound, for example [badge](/bip39-word/badge/) and [bag](/bip39-word/bag/). Four spellings are shared with the [French BIP39 list](/french/), at different indexes: [badge](/bip39-word/badge/), [bicycle](/bip39-word/bicycle/), [bonus](/bip39-word/bonus/) and 1 more. Eight of the words appear in the official BIP39 test vectors, among them [baby](/bip39-word/baby/) and [behind](/bip39-word/behind/). ## All 117 BIP39 words starting with B | # | Word | Binary | IPA | Prefix | | --- | --------------------------------- | ----------- | ----------- | ------ | | 137 | [baby](/bip39-word/baby/) | 00010001000 | /ˈbeɪbi/ | baby | | 138 | [bachelor](/bip39-word/bachelor/) | 00010001001 | /ˈbæʧᵊlə/ | bach | | 139 | [bacon](/bip39-word/bacon/) | 00010001010 | /ˈbeɪkᵊn/ | baco | | 140 | [badge](/bip39-word/badge/) | 00010001011 | /bæʤ/ | badg | | 141 | [bag](/bip39-word/bag/) | 00010001100 | /bæg/ | bag | | 142 | [balance](/bip39-word/balance/) | 00010001101 | /ˈbæləns/ | bala | | 143 | [balcony](/bip39-word/balcony/) | 00010001110 | /ˈbælkəni/ | balc | | 144 | [ball](/bip39-word/ball/) | 00010001111 | /bɔːl/ | ball | | 145 | [bamboo](/bip39-word/bamboo/) | 00010010000 | /bæmˈbuː/ | bamb | | 146 | [banana](/bip39-word/banana/) | 00010010001 | /bəˈnɑːnə/ | bana | | 147 | [banner](/bip39-word/banner/) | 00010010010 | /ˈbænə/ | bann | | 148 | [bar](/bip39-word/bar/) | 00010010011 | /bɑː/ | bar | | 149 | [barely](/bip39-word/barely/) | 00010010100 | /ˈbeəli/ | bare | | 150 | [bargain](/bip39-word/bargain/) | 00010010101 | /ˈbɑːɡɪn/ | barg | | 151 | [barrel](/bip39-word/barrel/) | 00010010110 | /ˈbærəl/ | barr | | 152 | [base](/bip39-word/base/) | 00010010111 | /beɪs/ | base | | 153 | [basic](/bip39-word/basic/) | 00010011000 | /ˈbeɪsɪk/ | basi | | 154 | [basket](/bip39-word/basket/) | 00010011001 | /ˈbɑːskɪt/ | bask | | 155 | [battle](/bip39-word/battle/) | 00010011010 | /ˈbætl/ | batt | | 156 | [beach](/bip39-word/beach/) | 00010011011 | /biːʧ/ | beac | | 157 | [bean](/bip39-word/bean/) | 00010011100 | /biːn/ | bean | | 158 | [beauty](/bip39-word/beauty/) | 00010011101 | /ˈbjuːti/ | beau | | 159 | [because](/bip39-word/because/) | 00010011110 | /bɪˈkɒz/ | beca | | 160 | [become](/bip39-word/become/) | 00010011111 | /bɪˈkʌm/ | beco | | 161 | [beef](/bip39-word/beef/) | 00010100000 | /biːf/ | beef | | 162 | [before](/bip39-word/before/) | 00010100001 | /bɪˈfɔː/ | befo | | 163 | [begin](/bip39-word/begin/) | 00010100010 | /bɪˈgɪn/ | begi | | 164 | [behave](/bip39-word/behave/) | 00010100011 | /bɪˈheɪv/ | beha | | 165 | [behind](/bip39-word/behind/) | 00010100100 | /bɪˈhaɪnd/ | behi | | 166 | [believe](/bip39-word/believe/) | 00010100101 | /bɪˈliːv/ | beli | | 167 | [below](/bip39-word/below/) | 00010100110 | /bɪˈləʊ/ | belo | | 168 | [belt](/bip39-word/belt/) | 00010100111 | /bɛlt/ | belt | | 169 | [bench](/bip39-word/bench/) | 00010101000 | /bɛnʧ/ | benc | | 170 | [benefit](/bip39-word/benefit/) | 00010101001 | /ˈbɛnɪfɪt/ | bene | | 171 | [best](/bip39-word/best/) | 00010101010 | /bɛst/ | best | | 172 | [betray](/bip39-word/betray/) | 00010101011 | /bɪˈtreɪ/ | betr | | 173 | [better](/bip39-word/better/) | 00010101100 | /ˈbɛtə/ | bett | | 174 | [between](/bip39-word/between/) | 00010101101 | /bɪˈtwiːn/ | betw | | 175 | [beyond](/bip39-word/beyond/) | 00010101110 | /bɪˈjɒnd/ | beyo | | 176 | [bicycle](/bip39-word/bicycle/) | 00010101111 | /ˈbaɪsɪkl/ | bicy | | 177 | [bid](/bip39-word/bid/) | 00010110000 | /bɪd/ | bid | | 178 | [bike](/bip39-word/bike/) | 00010110001 | /baɪk/ | bike | | 179 | [bind](/bip39-word/bind/) | 00010110010 | /baɪnd/ | bind | | 180 | [biology](/bip39-word/biology/) | 00010110011 | /baɪˈɒləʤi/ | biol | | 181 | [bird](/bip39-word/bird/) | 00010110100 | /bɜːd/ | bird | | 182 | [birth](/bip39-word/birth/) | 00010110101 | /bɜːθ/ | birt | | 183 | [bitter](/bip39-word/bitter/) | 00010110110 | /ˈbɪtə/ | bitt | | 184 | [black](/bip39-word/black/) | 00010110111 | /blæk/ | blac | | 185 | [blade](/bip39-word/blade/) | 00010111000 | /bleɪd/ | blad | | 186 | [blame](/bip39-word/blame/) | 00010111001 | /bleɪm/ | blam | | 187 | [blanket](/bip39-word/blanket/) | 00010111010 | /ˈblæŋkɪt/ | blan | | 188 | [blast](/bip39-word/blast/) | 00010111011 | /blɑːst/ | blas | | 189 | [bleak](/bip39-word/bleak/) | 00010111100 | /bliːk/ | blea | | 190 | [bless](/bip39-word/bless/) | 00010111101 | /blɛs/ | bles | | 191 | [blind](/bip39-word/blind/) | 00010111110 | /blaɪnd/ | blin | | 192 | [blood](/bip39-word/blood/) | 00010111111 | /blʌd/ | bloo | | 193 | [blossom](/bip39-word/blossom/) | 00011000000 | /ˈblɒsəm/ | blos | | 194 | [blouse](/bip39-word/blouse/) | 00011000001 | /blaʊz/ | blou | | 195 | [blue](/bip39-word/blue/) | 00011000010 | /bluː/ | blue | | 196 | [blur](/bip39-word/blur/) | 00011000011 | /blɜː/ | blur | | 197 | [blush](/bip39-word/blush/) | 00011000100 | /blʌʃ/ | blus | | 198 | [board](/bip39-word/board/) | 00011000101 | /bɔːd/ | boar | | 199 | [boat](/bip39-word/boat/) | 00011000110 | /bəʊt/ | boat | | 200 | [body](/bip39-word/body/) | 00011000111 | /ˈbɒdi/ | body | | 201 | [boil](/bip39-word/boil/) | 00011001000 | /bɔɪl/ | boil | | 202 | [bomb](/bip39-word/bomb/) | 00011001001 | /bɒm/ | bomb | | 203 | [bone](/bip39-word/bone/) | 00011001010 | /bəʊn/ | bone | | 204 | [bonus](/bip39-word/bonus/) | 00011001011 | /ˈbəʊnəs/ | bonu | | 205 | [book](/bip39-word/book/) | 00011001100 | /bʊk/ | book | | 206 | [boost](/bip39-word/boost/) | 00011001101 | /buːst/ | boos | | 207 | [border](/bip39-word/border/) | 00011001110 | /ˈbɔːdə/ | bord | | 208 | [boring](/bip39-word/boring/) | 00011001111 | /ˈbɔːrɪŋ/ | bori | | 209 | [borrow](/bip39-word/borrow/) | 00011010000 | /ˈbɒrəʊ/ | borr | | 210 | [boss](/bip39-word/boss/) | 00011010001 | /bɒs/ | boss | | 211 | [bottom](/bip39-word/bottom/) | 00011010010 | /ˈbɒtəm/ | bott | | 212 | [bounce](/bip39-word/bounce/) | 00011010011 | /baʊns/ | boun | | 213 | [box](/bip39-word/box/) | 00011010100 | /bɒks/ | box | | 214 | [boy](/bip39-word/boy/) | 00011010101 | /bɔɪ/ | boy | | 215 | [bracket](/bip39-word/bracket/) | 00011010110 | /ˈbrækɪt/ | brac | | 216 | [brain](/bip39-word/brain/) | 00011010111 | /breɪn/ | brai | | 217 | [brand](/bip39-word/brand/) | 00011011000 | /brænd/ | bran | | 218 | [brass](/bip39-word/brass/) | 00011011001 | /brɑːs/ | bras | | 219 | [brave](/bip39-word/brave/) | 00011011010 | /breɪv/ | brav | | 220 | [bread](/bip39-word/bread/) | 00011011011 | /brɛd/ | brea | | 221 | [breeze](/bip39-word/breeze/) | 00011011100 | /briːz/ | bree | | 222 | [brick](/bip39-word/brick/) | 00011011101 | /brɪk/ | bric | | 223 | [bridge](/bip39-word/bridge/) | 00011011110 | /brɪʤ/ | brid | | 224 | [brief](/bip39-word/brief/) | 00011011111 | /briːf/ | brie | | 225 | [bright](/bip39-word/bright/) | 00011100000 | /braɪt/ | brig | | 226 | [bring](/bip39-word/bring/) | 00011100001 | /brɪŋ/ | brin | | 227 | [brisk](/bip39-word/brisk/) | 00011100010 | /brɪsk/ | bris | | 228 | [broccoli](/bip39-word/broccoli/) | 00011100011 | /ˈbrɒkᵊli/ | broc | | 229 | [broken](/bip39-word/broken/) | 00011100100 | /ˈbrəʊkən/ | brok | | 230 | [bronze](/bip39-word/bronze/) | 00011100101 | /brɒnz/ | bron | | 231 | [broom](/bip39-word/broom/) | 00011100110 | /bruːm/ | broo | | 232 | [brother](/bip39-word/brother/) | 00011100111 | /ˈbrʌðə/ | brot | | 233 | [brown](/bip39-word/brown/) | 00011101000 | /braʊn/ | brow | | 234 | [brush](/bip39-word/brush/) | 00011101001 | /brʌʃ/ | brus | | 235 | [bubble](/bip39-word/bubble/) | 00011101010 | /ˈbʌbl/ | bubb | | 236 | [buddy](/bip39-word/buddy/) | 00011101011 | /ˈbʌdi/ | budd | | 237 | [budget](/bip39-word/budget/) | 00011101100 | /ˈbʌʤɪt/ | budg | | 238 | [buffalo](/bip39-word/buffalo/) | 00011101101 | /ˈbʌfələʊ/ | buff | | 239 | [build](/bip39-word/build/) | 00011101110 | /bɪld/ | buil | | 240 | [bulb](/bip39-word/bulb/) | 00011101111 | /bʌlb/ | bulb | | 241 | [bulk](/bip39-word/bulk/) | 00011110000 | /bʌlk/ | bulk | | 242 | [bullet](/bip39-word/bullet/) | 00011110001 | /ˈbʊlɪt/ | bull | | 243 | [bundle](/bip39-word/bundle/) | 00011110010 | /ˈbʌndᵊl/ | bund | | 244 | [bunker](/bip39-word/bunker/) | 00011110011 | /ˈbʌŋkə/ | bunk | | 245 | [burden](/bip39-word/burden/) | 00011110100 | /ˈbɜːdn/ | burd | | 246 | [burger](/bip39-word/burger/) | 00011110101 | /ˈbɜːɡə/ | burg | | 247 | [burst](/bip39-word/burst/) | 00011110110 | /bɜːst/ | burs | | 248 | [bus](/bip39-word/bus/) | 00011110111 | /bʌs/ | bus | | 249 | [business](/bip39-word/business/) | 00011111000 | /ˈbɪznɪs/ | busi | | 250 | [busy](/bip39-word/busy/) | 00011111001 | /ˈbɪzi/ | busy | | 251 | [butter](/bip39-word/butter/) | 00011111010 | /ˈbʌtə/ | butt | | 252 | [buyer](/bip39-word/buyer/) | 00011111011 | /ˈbaɪə/ | buye | | 253 | [buzz](/bip39-word/buzz/) | 00011111100 | /bʌz/ | buzz | ## Similar-looking words to check These 70 pairs differ by one letter, with at least one word starting with B. Both words are valid, so a slip between them passes the word check and only the checksum can catch it. - [all](/bip39-word/all/) [ball](/bip39-word/ball/) - [bag](/bip39-word/bag/) [bar](/bip39-word/bar/) - [bag](/bip39-word/bag/) [tag](/bip39-word/tag/) - [ball](/bip39-word/ball/) [call](/bip39-word/call/) - [ball](/bip39-word/ball/) [fall](/bip39-word/fall/) - [ball](/bip39-word/ball/) [wall](/bip39-word/wall/) - [bar](/bip39-word/bar/) [car](/bip39-word/car/) - [bar](/bip39-word/bar/) [jar](/bip39-word/jar/) - [base](/bip39-word/base/) [case](/bip39-word/case/) - [battle](/bip39-word/battle/) [cattle](/bip39-word/cattle/) - [beach](/bip39-word/beach/) [bench](/bip39-word/bench/) - [beach](/bip39-word/beach/) [teach](/bip39-word/teach/) - [bean](/bip39-word/bean/) [mean](/bip39-word/mean/) - [belt](/bip39-word/belt/) [best](/bip39-word/best/) - [belt](/bip39-word/belt/) [melt](/bip39-word/melt/) - [best](/bip39-word/best/) [nest](/bip39-word/nest/) - [best](/bip39-word/best/) [test](/bip39-word/test/) - [best](/bip39-word/best/) [west](/bip39-word/west/) - [better](/bip39-word/better/) [bitter](/bip39-word/bitter/) - [better](/bip39-word/better/) [butter](/bip39-word/butter/) - [better](/bip39-word/better/) [letter](/bip39-word/letter/) - [bid](/bip39-word/bid/) [bind](/bip39-word/bind/) - [bid](/bip39-word/bid/) [bird](/bip39-word/bird/) - [bid](/bip39-word/bid/) [kid](/bip39-word/kid/) - [bike](/bip39-word/bike/) [like](/bip39-word/like/) - [bind](/bip39-word/bind/) [bird](/bip39-word/bird/) - [bind](/bip39-word/bind/) [blind](/bip39-word/blind/) - [bind](/bip39-word/bind/) [find](/bip39-word/find/) - [bind](/bip39-word/bind/) [kind](/bip39-word/kind/) - [bind](/bip39-word/bind/) [mind](/bip39-word/mind/) - [bitter](/bip39-word/bitter/) [butter](/bip39-word/butter/) - [blade](/bip39-word/blade/) [blame](/bip39-word/blame/) - [blame](/bip39-word/blame/) [flame](/bip39-word/flame/) - [blue](/bip39-word/blue/) [blur](/bip39-word/blur/) - [blue](/bip39-word/blue/) [glue](/bip39-word/glue/) - [blush](/bip39-word/blush/) [brush](/bip39-word/brush/) - [blush](/bip39-word/blush/) [flush](/bip39-word/flush/) - [blush](/bip39-word/blush/) [slush](/bip39-word/slush/) - [boat](/bip39-word/boat/) [goat](/bip39-word/goat/) - [body](/bip39-word/body/) [boy](/bip39-word/boy/) - [boil](/bip39-word/boil/) [coil](/bip39-word/coil/) - [boil](/bip39-word/boil/) [foil](/bip39-word/foil/) - [boil](/bip39-word/boil/) [oil](/bip39-word/oil/) - [bone](/bip39-word/bone/) [one](/bip39-word/one/) - [bone](/bip39-word/bone/) [tone](/bip39-word/tone/) - [bone](/bip39-word/bone/) [zone](/bip39-word/zone/) - [book](/bip39-word/book/) [cook](/bip39-word/cook/) - [border](/bip39-word/border/) [order](/bip39-word/order/) - [boring](/bip39-word/boring/) [bring](/bip39-word/bring/) - [boss](/bip39-word/boss/) [toss](/bip39-word/toss/) - [box](/bip39-word/box/) [boy](/bip39-word/boy/) - [box](/bip39-word/box/) [fox](/bip39-word/fox/) - [boy](/bip39-word/boy/) [joy](/bip39-word/joy/) - [boy](/bip39-word/boy/) [toy](/bip39-word/toy/) - [brain](/bip39-word/brain/) [grain](/bip39-word/grain/) - [brain](/bip39-word/brain/) [rain](/bip39-word/rain/) - [brain](/bip39-word/brain/) [train](/bip39-word/train/) - [brass](/bip39-word/brass/) [grass](/bip39-word/grass/) - [brick](/bip39-word/brick/) [brisk](/bip39-word/brisk/) - [brick](/bip39-word/brick/) [trick](/bip39-word/trick/) - [bridge](/bip39-word/bridge/) [ridge](/bip39-word/ridge/) - [brief](/bip39-word/brief/) [grief](/bip39-word/grief/) - [bright](/bip39-word/bright/) [right](/bip39-word/right/) - [bring](/bip39-word/bring/) [ring](/bip39-word/ring/) - [brisk](/bip39-word/brisk/) [risk](/bip39-word/risk/) - [broom](/bip39-word/broom/) [room](/bip39-word/room/) - [brown](/bip39-word/brown/) [frown](/bip39-word/frown/) - [brush](/bip39-word/brush/) [crush](/bip39-word/crush/) - [bulb](/bip39-word/bulb/) [bulk](/bip39-word/bulk/) - [bus](/bip39-word/bus/) [busy](/bip39-word/busy/) [ Full BIP39 Wordlist (all 2048 words) ](/#wordlist)