building vs skyscraper

building

noun
  • A closed structure with walls and a roof. 

  • The act or process by which something is built; construction. 

skyscraper

noun
  • A very tall building with a large number of floors. 

  • Anything very tall or high. 

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