prosper vs turn a profit

prosper

verb
  • To be successful; to succeed; to be fortunate or prosperous; to thrive; to make gain. 

  • To grow; to increase. 

  • To favor; to render successful. 

turn a profit

verb
  • To gain money or to gain materially. 

  • To obtain profit from an investment. 

How often have the words prosper and turn a profit occurred in a corpus of books? (source: Google Ngram Viewer )