2 English words descend from Proto-Indo-European *bʰreHg-, most common first.
brayOf an animal (now chiefly of animals related to the ass or donkey, and the camel): to make its cry.
branThe broken coat of the seed of wheat, rye, or other cereal grain, separated from the flour or meal by sifting or bolting; the coarse, chaffy part of ground grain.