examination vs zoology

examination

noun
  • The act of examining. 

  • Interrogation, particularly by a lawyer in court or during discovery. 

  • Particularly, an inspection by a medical professional to establish the extent and nature of any sickness or injury. 

  • A formal test involving answering written or oral questions under a time constraint and usually without access to textbooks; typically, a large, written test administered to high school and college students covering course material studied in a semester. 

zoology

noun
  • A treatise on this science. 

  • The part of biology relating to the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct. 

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