basil
Botany.
bigfoot
Something that is used to stay warm that starts with the letter B could be a blanket.
Brunhilde is perhaps the longest. But that is just for English language.
bathmat,bandages,baby powder,brush,
Some Scottish towns beginning with the letter B are Bathgate, Buckie, and Blairgowrie.
No
bibliography
bounce
No Legendary Pokemon begin with the letter B.
Backrushes.
BIJJIGGLEHIGGLE
Boston
basil
Barn
BermudaBostonBarbadosBerlinBrussels