bad, bag, bah, bam, ban, bar, bat, bay, bed, bee, beg, ben, bet, bib, bic, bid, big, bin, bit, boa, bob, boe, bog, bon, boo, bop, bot, bow, box, boy, bub, bud, bug, bum, bun, bus, but, buy,
Bellybuttons would be the longest word I can think of beginning with a 'b' and ending in an 's'.
Eight letter words beginning with b, ending with e:backsidebaselinebegrudgebelittleblockadeblockagebreakage
Scarab.
thumb
thumb
cherrub
Ballerina is one 9-letter word beginning with B and ending with A.
Some seven letter words starting with B are:bathtubdisturbperturbproverbrhubarbsuccumbtaxicabwashtub
carob climb
Caleb fdhrsb
bath
that word will be BE EASY.