début vs push through

début

verb
  • To make one's début. 

noun
  • A person’s or thing’s first appearance before society or another audience; one’s “maiden voyage”. 

push through

verb
  • To continue or proceed 

  • Used other than figuratively or idiomatically: see push, through. 

  • To force (legislation) to be passed 

  • To overcome (pain, discomfort, etc.) by force or willpower 

How often have the words début and push through occurred in a corpus of books? (source: Google Ngram Viewer )