invasion vs seizure

invasion

noun
  • A military action consisting of armed forces of one geopolitical entity entering territory controlled by another such entity, generally with the objective of conquering territory or altering the established government. 

  • The breaching of the skin barrier. 

  • The spread of cancer cells, bacteries and such to the organism. 

  • The entry without consent of an individual or group into an area where they are not wanted. 

seizure

noun
  • The act of taking possession, as by force or right of law. 

  • A sudden attack or convulsion, (e.g. an epileptic seizure). 

  • That which is seized, or taken possession of; a thing laid hold of, or possessed. 

  • A sudden onset of pain or emotion. 

verb
  • To undergo an epileptic seizure. 

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