thrifty vs unconscionable

thrifty

adj
  • Showing thrift; economical; frugal. 

unconscionable

adj
  • Excessive, imprudent or unreasonable. 

  • Not conscionable; unscrupulous and lacking principles or conscience. 

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