theism vs theology

theism

noun
  • Belief in the existence of at least one deity. 

  • Belief in the existence of a personal creator god, goddess, gods and/or goddesses present and active in the governance and organization of the world and the universe. The God may be known by or through revelation. 

  • A morbid condition resulting from excessive consumption of tea. 

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 theism and theology occurred in a corpus of books? (source: Google Ngram Viewer )