combust vs go up in flames

combust

verb

  • To burn; to catch fire. 

  • To erupt with enthusiasm or boisterousness. 

adj

  • In close conjunction with the sun (so that its astrological influence is "burnt up"), sometimes specified to be within 8 degrees 30'. 

go up in flames

verb

  • To catch fire. 

  • To be cancelled or ruined without any hope of return. 

How often have the words combust and go up in flames occurred in a corpus of books? (source: Google Ngram Viewer )