baa vs come by

baa

• The characteristic cry of a sheep. 

• The characteristic cry or bleating of a sheep. 

• The letter ب in the Arabic script. 

• To make the characteristic cry of a sheep. 

come by

• A command to a sheepdog to move clockwise around the sheep 

• To come near to; to pass; to visit. 

• To obtain; to get, especially by chance or involuntarily.