forage vs rootle

forage

verb
  • To rummage. 

  • To rampage through, gathering and destroying as one goes. 

  • Of an animal: to seek out and eat food. 

  • To search for and gather food for animals, particularly cattle and horses. 

noun
  • Fodder for animals, especially cattle and horses. 

  • An act or instance of foraging. 

rootle

verb
  • to dig into the ground, with the snout. 

  • to search for something from a drawer, closet, etc.; to dig out. 

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