mythology vs theology

mythology

noun
  • A similar body of myths concerning an event, person or institution. 

  • Pervasive elements of a fictional universe that resemble a mythological universe. 

  • The collection of myths of a people, concerning the origin of the people, history, deities, ancestors and heroes. 

  • The systematic collection and study of myths. 

theology

noun
  • A particular belief within a religion. 

  • Synonym of religious studies 

  • Subjective marginal details. 

  • An organized method of interpreting spiritual works and beliefs into practical form. 

  • The study of God, a god, or gods; and of the truthfulness of religion in general. 

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