avantgardistic vs inventive

avantgardistic

adj
  • Innovative, pioneering. 

inventive

adj
  • Of, or relating to invention; pertaining to the act of devising new mechanisms or processes. 

  • Possessed of a particular capacity for the design of new mechanisms or processes, creative or skilful at inventing. 

  • Purposefully fictive 

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