break ground vs conclude

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. 

conclude

verb
  • To bring about as a result; to effect; to make. 

  • To shut off; to restrain; to limit; to estop; to bar; generally in the passive. 

  • To come to a conclusion, to a final decision. 

  • To end; to come to an end. 

  • to deduce, to infer (develop a causal relation) 

  • To bring to an end; to close; to finish. 

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