Bailie, an officer of the law.
Bairn, a child.
Ben. See But and ben.
Besom, a broom.
Bide, stay.
Bittock, a little bit.
Blatherskite, a babbling person, a good-for-nothing.
Blethering, talking nonsense.
Bonny, pretty, beautiful, charming.
Bracken, brake, a species of tall fern.