extensive vs jumbo

extensive

adj
  • Considerable in amount. 

  • Serving to extend or lengthen; characterized by extension. 

  • Having a combined system entropy that equals the sum of the entropies of the independent systems. 

  • Having a great extent; covering a large area; vast. 

jumbo

adj
  • Especially large or powerful. 

noun
  • An elephant. 

  • An especially large or powerful person, animal, or thing. 

  • A platform-mounted machine for drilling rock. 

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