dragway vs parkway

dragway

noun
  • A dragstrip, a place where drag races are held. A racetrack to drag on. 

parkway

noun
  • A scenic freeway. 

  • A tree lawn. 

  • A divided highway with a landscaped median. 

  • a railway station built on the edge of a town, typically with a large car park to function as a park and ride interchange. 

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