Another word for kindly beginning with 'b' is benevolent.
Balance
bewitched
Battery.
Pullets Bantams
bedeck
By gum or bygum which means Wow. Blast!
Break a leg is a phrase that means Good luck. Bite your tongue is a phrase that means Avoid talking.
Botany
backbonebackgroundballparkbaseballbaseboardbasketballbathhousebathtubbathwaterbirdhousebirthdaybirthmarkbirthrightblackbirdblackboardblackmailbloodbathbookmarkbookshelfbluebellbluebirdblueprintboyhoodbrainwavebreadwinnerbreakwaterbrownstonebutterball
Bank on it!
bananabacteriabasilicaballerinabelugabandannabarracudabolognabulimia
clear, not confusing. 100% sure.