* Band: A group of musicians
* Battery: A group of artillery pieces
* Bevy: A group of birds (especially quail or larks)
* Blot: A group of ink spots
* Bunch: A group of things (like flowers, grapes, or keys)
* Bundle: A group of things bound together
* Braid: A group of strands of hair or thread woven together
* Breed: A group of animals of the same kind
* Brood: A group of young birds or other animals
* Brush: A group of paintbrushes
* Bunch: A group of bananas
* Brigade: A group of soldiers (specifically, a military unit)
Let me know if you'd like to explore other collective nouns!