bad blood vs uncontent

bad blood

noun
  • Feelings of hostility or ill will. 

  • A particular disease; in some places, syphilis. 

  • A serious feud or long-standing grudge. 

uncontent

noun
  • A lack of contentment. 

adj
  • Not content; uncontented. 

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