conspiracy vs logrolling

conspiracy

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

  • 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. 

  • A group of ravens. 

verb
  • To conspire. 

logrolling

noun
  • A concerted effort to push forward mutually advantageous legislative agendas by combining two items, either or both of which might fail on its own, into a single bill that is more likely to pass. 

  • The act of balancing on a log floating on a river to guide it downstream, often involving rolling it using one's feet; birling. 

  • Mutual recommendation of friends' or colleagues' services or products, such as book recommendations in literary reviews. 

  • The rolling of logs from one place to another; an occasion when people meet to help each other roll logs. 

  • A sport in which two people balance on a log floating in a body of water, each one aiming to cause the opponent to fall off by rolling or kicking the log. 

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