catamaran vs disaccord

catamaran

noun

  • A twin-hulled ship or boat. 

disaccord

noun

  • The absence or reverse of accord. 

  • Disharmony. 

verb

  • To fail to be in accord; to dissent. 

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