necromantic vs thaumaturgical

necromantic

adj
  • Of or relating to necromancy: the resurrection of or communication with the dead, especially through the use of black magic. 

noun
  • conjuration 

thaumaturgical

adj
  • Relating to thaumaturgy; magical. 

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