disquiet vs vex

disquiet

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

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

vex

verb
  • To cause (mental) suffering to; to distress. 

  • To toss back and forth; to agitate; to disquiet. 

  • To twist, to weave. 

  • To annoy, irritate. 

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