profession vs theism

profession

noun
  • The declaration of belief in the principles of a religion; hence, one's faith or religion. 

  • The practitioners of such an occupation collectively. 

  • A promise or vow made on entering a religious order. 

  • Any declaration of belief, faith or one's opinion, whether genuine or (as now often implied) pretended. 

  • An occupation, trade, craft, or activity in which one has a professed expertise in a particular area; a job, especially one requiring a high level of skill or training. 

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. 

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