immobilization vs prevention

immobilization

noun
  • The act or process of preventing a thing from moving. 

  • The process in which organic soil matter is decomposed and absorbed by microorganisms, and thus not available to plants. 

prevention

noun
  • The act of preventing or hindering; obstruction of action, access, or approach; thwarting. 

  • precaution; forethought. 

  • Any measure intended to limit health-related risks (such as information campaigns, vaccination, early diagnosis etc.). 

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