pococurante vs stonyhearted

pococurante

adj

  • Apathetic, indifferent or nonchalant. 

noun

  • An apathetic, indifferent or nonchalant person. 

stonyhearted

adj

  • Cruel, compassionless, discompassionate, as if having a heart made of stone. 

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