bonanza vs luck out

bonanza

noun
  • The point at which two mother lodes intersect. 

  • A rich mine or vein of silver or gold. 

  • Anything which is a great source of wealth or yields a large income or return. 

luck out

verb
  • To be unfortunate or unlucky; to run out of luck. 

  • To experience great luck; to be extremely fortunate or lucky. 

How often have the words bonanza and luck out occurred in a corpus of books? (source: Google Ngram Viewer )