By, busy, brewery, breviary, byway, baby, bray, busybody, body, bravery, belay, biddy, beauty, barmy, booty, bestiality, boldly, bodily, bushy, battery
bullock
Brother.
beter
A 4 letter word that begins with B is bend.
bend..........
Boost is a synonym for the word lift and starts with the letter B.
baobab.
Blurb
butter
Birthday.
Bet
bunting