demotic vs grassroots

demotic

adj
  • Of or for the common people. 

  • Of, relating to, or written in the ancient Egyptian script that developed from Lower Egyptian hieratic writing starting from around 650 BCE and was chiefly used to write the Demotic phase of the Egyptian language, with simplified and cursive characters that no longer corresponded directly to their hieroglyphic precursors. 

  • Of, relating to, or written in the form of modern vernacular Greek. 

noun
  • Language as spoken or written by the common people. 

grassroots

adj
  • Of, or relating to people or society at the local level, particularly in politics, social movements, etc.; of the grass roots. 

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