reed bed vs stubble

reed bed

noun
  • A place where reeds grow. 

stubble

noun
  • The short stalks left in a field after crops have been harvested. 

  • Short, coarse hair, especially on a man’s face. 

verb
  • To produce a crop in a field of stubble that remains after a preceding crop is removed, either by sowing a second crop or by allowing shoots to sprout from the roots of the stubble. 

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