agreeable vs ameliorative

agreeable

adj
  • Agreeing or suitable; followed by to, or rarely by with. 

  • Pleasant to the senses or the mind. 

  • Pursuant, conformant, accordant. 

  • Able to agree; possible to be agreed. 

noun
  • Something pleasing; anything that is agreeable. 

ameliorative

adj
  • Suggesting or relating to a positive or approving evaluation. 

  • Of or relating to conceptual engineering, the normative study of which conceptual demarcation is most conducive to solve the problems the concept is a priori taken to solve. 

  • Able to repair or ameliorate. 

noun
  • A linguistic unit (such as a word, morpheme) that implies a positive or approving evaluation. 

  • That which betters or improves. 

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