Breeze
abbe
beneath
barbarization
BLESSED
bewitch
B-words meaning smart are: brainy bold bright brilliant brisk
A b word meaning helpful is beneficial.
Another word for kindly beginning with 'b' is benevolent.
Botany
bananabacteriabasilicaballerinabelugabandannabarracudabolognabulimia
backbonebackgroundballparkbaseballbaseboardbasketballbathhousebathtubbathwaterbirdhousebirthdaybirthmarkbirthrightblackbirdblackboardblackmailbloodbathbookmarkbookshelfbluebellbluebirdblueprintboyhoodbrainwavebreadwinnerbreakwaterbrownstonebutterball