numskull or numbskull/ʹnumskul/ noun

• briar
• bribe
• bribery
• bric-a-brac
• brick
• brickbat
• brickie
• bricklayer
• brick red
• brickwork
• brickworks
• brickyard
• bricolage
• bridal
• bride
• bridegroom
• bride price
• bridesmaid
• bridge
• bridgehead
• bridge loan
• bridge roll
• bridgework
• bridging loan
• bridle