paver vs sidewalk

paver

noun
  • A flat stone used to pave a pathway, such as a walkway to one's home. 

  • One who paves; one who lays pavement. 

sidewalk

noun
  • (usually) a paved footpath located at the side of a road, for the use of pedestrians 

  • any paved footpath, even if not located at the side of a road 

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