agnosticism vs theology

agnosticism

noun
  • Doubt, uncertainty, or scepticism regarding any subject of dispute. 

  • The view that absolute truth or ultimate certainty is unattainable, especially regarding knowledge not based on experience or perceivable phenomena. 

  • Doubt, uncertainty, or scepticism regarding the existence of a god or gods. 

  • The view that the existence of God or of all deities is unknown, unknowable, unproven, or unprovable. 

theology

noun
  • 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. 

  • A particular belief within a religion. 

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