greedily vs heart and soul

greedily

adv
  • In a greedy manner; with keen or ardent desire. 

  • The two dogs greedily devoured the meat. 

heart and soul

adv
  • With the utmost earnestness. 

noun
  • the core of a thing; the most essential or important part 

  • passion; true commitment 

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