preference vs theology

preference

noun
  • A preferential bias; partiality; discrimination. 

  • The option to so select, and the one selected. 

  • The selection of one thing or person over others (with the main adposition being "for" in relation to the thing or person, but possibly also "of") 

  • The state of being preferred over others. 

  • Preferans, a card game, principally played in Eastern Europe. 

  • A strong liking or personal valuation. 

verb
  • To give preferential treatment to; to give a preference to. 

theology

noun
  • Subjective marginal details. 

  • Synonym of religious studies 

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