immobilization vs standstill

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. 

standstill

noun
  • complete immobility; halt 

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