desynchronization vs synchronization

desynchronization

noun
  • The loss or absence of synchronization; asynchronism. 

  • A loss of synchronization of brain waves. 

synchronization

noun
  • The arrangement of military actions in time, space, and purpose to produce maximum relative combat power at a decisive place and time. 

  • The state or property of being synchronized. 

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