get under one's goat vs hassle

get under one's goat

verb
  • To irritate or annoy someone; to bother. 

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 get under one's goat and hassle occurred in a corpus of books? (source: Google Ngram Viewer )