advanced vs pioneering

advanced

adj
  • In a late stage of development; greatly developed beyond an initial stage. 

  • with greater complexity, more difficult 

  • At or close to the state of the art. 

  • Pronounced farther to the front of the vocal tract. 

  • Indicating a time ahead of the correct time. 

  • Having moved forward in time or space (e.g. advanced ignition timing). 

pioneering

adj
  • Involving accomplishments or activities that have not been done before, or developing or using new methods or techniques. 

noun
  • A scoutcraft skill that involves building structures using staves and knots. 

  • The activity of the verb pioneer. 

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