break ground vs generate

break ground

verb
  • To initiate a new venture, or to advance beyond previous achievements. 

  • To begin digging in the earth at the start of a new construction, or, originally, for cultivation. 

  • To separate from the ground on takeoff; to become airborne. 

  • To lift off the sea bottom when being weighed. 

generate

verb
  • To bring into being; give rise to. 

  • To produce as a result of a chemical or physical process. 

  • To procreate, beget. 

  • To form a figure from a curve or solid. 

  • To appear or occur; be generated. 

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