disquiet vs send shivers down someone's spine

disquiet

verb

  • To make (someone or something) worried or anxious. 

noun

  • Lack of quiet; absence of tranquility in body or mind 

send shivers down someone's spine

verb

  • To terrify; to make someone feel extremely nervous. 

How often have the words disquiet and send shivers down someone's spine occurred in a corpus of books? (source: Google Ngram Viewer )