Words that start with B

A buzz is a kind of sharp humming sound, like the noise of a bee or some kinds of machinery.

By might mean near, as in "she was sitting by the lake".

It might also be used to indicate who did something, for example "this book was written by my brother".

Bouganvilleas are woody, climbing vines covered in thorns. They have spectacular flowers in shades of purple. Bouganvilleas are native to south America. They do not tolerate frost.
What looks like their flowers are not actually flowers, but colored leaves, with the true flower being the small structure in the center.