encourage vs shake up

encourage

verb
  • To mentally support; to motivate, give courage, hope or spirit. 

  • To spur on, strongly recommend. 

  • To foster, give help or patronage 

shake up

verb
  • To upset or distress (a person). 

  • To agitate by shaking. 

  • To reorganize, to make reforms in. 

  • To restore to its original shape by shaking. 

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