materialist vs unconscionable

materialist

adj
  • Having features typical of philosophical materialism. 

noun
  • Someone who is materialistic, concerned only with material possessions. 

  • A follower or proponent of philosophical materialism. 

unconscionable

adj
  • Not conscionable; unscrupulous and lacking principles or conscience. 

  • Excessive, imprudent or unreasonable. 

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