advanced vs top-flight

advanced

adj
  • At or close to the state of the art. 

  • with greater complexity, more difficult 

  • 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). 

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

top-flight

adj
  • Of the highest rank, or peak of excellence 

  • In the highest division 

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