confused vs implex

confused

adj
  • chaotic, jumbled or muddled 

  • making no sense; illogical 

  • embarrassed 

  • unable to think clearly or understand 

  • disoriented 

implex

adj
  • Intricate, involved, entangled, complicated, complex. 

noun
  • A genealogical coefficient of a given genealogical tree; defined as the difference between the number of theoretical ancestors of a person and the number of his/her real ones in a given generation (the degree of pedigree collapse). 

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