come by vs give away

come by

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

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

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

give away

verb
  • To make a gift of (something). 

  • To concede. 

  • To formally hand over a bride to the bridegroom; often by her father. 

  • To relinquish control over. 

  • To concede an advantage in weight, time, height etc. 

  • To unintentionally reveal a secret, divulge undisclosed information, or expose someone. 

How often have the words come by and give away occurred in a corpus of books? (source: Google Ngram Viewer )