caw vs come by

caw

• A rendering of the vocalisation of a crow or other corvid. 

• The harsh cry of a crow. 

• To make the harsh cry of a crow, rook, or raven. 

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.