incant vs perorate

incant

verb
  • To recite an incantation. 

  • To state solemnly, to chant. 

perorate

verb
  • To make a peroration; to make a formal recapitulation at the end of a speech. 

  • To speak or declaim at great length, especially in a pompous or grandiloquent manner; to harangue. 

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