excision vs suppression

excision

noun
  • The removal of some text during editing. 

  • The removal of a gene from a section of genetic material. 

  • The removal of something (a tumor or body part) by cutting. 

  • The fact that, under certain hypotheses, the homology of a space relative to a subspace is unchanged by the identification of a subspace of the latter to a point. 

suppression

noun
  • The act or instance of suppressing. 

  • A process in which a person consciously excludes anxiety-producing thoughts, feelings, or memories. 

  • The state of being suppressed. 

  • The entirety of acts aimed at stopping or preventing the enemy to execute such unwanted activities like firing, regrouping, observation or others. 

  • A subconscious adaptation by a person's brain to eliminate the symptoms of disorders of binocular vision such as strabismus, convergence insufficiency and aniseikonia. 

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