stagnate vs transfigure

stagnate

verb
  • To cease to develop, advance, or change; to become idle. 

  • To cease to flow or run. 

  • To be or become foul from standing. 

transfigure

verb
  • To transform the outward appearance of; to convert into a different form, state or substance. 

  • To glorify or exalt. 

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