Damascus steel/dəʹmaskəs/ noun

• boll weevil
• bollworm
• Bollywood
• bolo
• bologna
• bolometer
• boloney
• bolo tie
• Bolshevik
• Bolshevist
• bolshie
• bolster
• bolt
• bolt from the blue
• bolt-hole
• boltrope
• bolus
• bomb
• bombard
• bombarde
• bombardier
• bombardier beetle
• bombardon
• bombast
• Bombay duck