overextension vs trauma

overextension

noun
  • The state or quality of being overextended; extension beyond normal, correct, or appropriate bounds or limits. 

  • Application of a term to too many referents, as for example when a child uses cat to refer to all animals. 

trauma

noun
  • An emotional wound leading to psychological injury. 

  • An event that causes great distress. 

  • Any serious injury to the body, often resulting from violence or an accident. 

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