ignore vs recalcitrate

ignore

verb
  • To deliberately not listen or pay attention to. 

  • To pretend to not notice someone or something. 

recalcitrate

verb
  • To express repugnance or opposition. 

  • To kick back; to kick against anything. 

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