forage vs scout out

forage

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

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

  • To rummage. 

  • 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. 

scout out

verb
  • to search, to look for 

  • to track down, to find by searching 

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