harsh one's mellow vs ruffle some feathers

harsh one's mellow

verb
  • To spoil one's good mood or to annoy one. 

ruffle some feathers

verb
  • To cause a disturbance; to arouse resentment, anger, or concern. 

How often have the words harsh one's mellow and ruffle some feathers occurred in a corpus of books? (source: Google Ngram Viewer )