disquiet vs hassle

disquiet

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

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

hassle

verb
  • To trouble, to bother, to annoy. 

  • To engage in a mock dogfight. 

  • To pick a fight or start an argument with. 

noun
  • Trouble, bother, unwanted annoyances or problems. 

  • A fight or argument. 

  • An action which is not worth the difficulty involved. 

adj
  • hassling; hasslesome 

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