dogma vs theology

dogma

noun
  • A doctrine (or set of doctrines) relating to matters such as morality and faith, set forth authoritatively by a religious organization or leader. 

  • An authoritative principle, belief or statement of opinion, especially one considered to be absolutely true and indisputable, regardless of evidence or without evidence to support it. 

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