alleyway vs footpath

alleyway

noun
  • A narrow street formed by the proximity of adjacent buildings. 

  • A passage between two rows of cabins in a ship. 

footpath

noun
  • A paved path located at the side of a road for the use of pedestrians. 

  • Any set path or trail to be used by people walking. 

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