fusion vs logrolling

fusion

noun
  • The act of two characters merging into one, typically more powerful, being; or the merged being itself. 

  • The act of melting or liquefying something by heating it. 

  • The result of the hybridation of two genes which originally coded for separate proteins. 

  • The process by which two distinct lipid bilayers merge their hydrophobic core, resulting in one interconnected structure. 

  • A style of music that blends disparate genres; especially different types of jazz and reggae. 

  • A style of cooking that combines ingredients and techniques from different countries or cultures 

  • A nuclear reaction in which nuclei combine to form more massive nuclei with the concomitant release of energy. 

verb
  • to combine; to fuse 

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 fusion and logrolling occurred in a corpus of books? (source: Google Ngram Viewer )