heated vs igneous

heated

adj
  • Made warm or hot by some means. 

  • To get riled up about something, or to be in a state of anger. 

  • Very agitated, angry or impassioned. 

igneous

adj
  • Resulting from, or produced by, great heat. With rocks, it could also mean formed from lava or magma. 

  • Pertaining to or having the nature of fire; containing fire; resembling fire. 

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