conspiracy vs synergism

conspiracy

noun
  • The act of two or more persons, called conspirators, working secretly to obtain some goal, usually understood with negative connotations. 

  • A situation in which different phonological or grammatical rules lead to similar or related outcomes. 

  • A group of lemurs. 

  • A conspiracy theory; a hypothesis alleging conspiracy. 

  • An agreement between two or more persons to break the law at some time in the future. 

  • A group of ravens. 

verb
  • To conspire. 

synergism

noun
  • synergy 

  • The theological doctrine that salvation is brought about by a combination of human will and divine grace 

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