cold shoulder vs denialist

cold shoulder

noun

  • A deliberate act of disrespect; a slight or snub 

verb

  • To deliberately slight or snub someone. 

denialist

noun

  • One who denies an assertion in a controversial debate. 

adj

  • Relating to denial in a controversial debate. 

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