by a long shot vs substantially

by a long shot

prep
  • By a wide margin; indicates a very big difference or disparity. 

substantially

adv
  • Without material qualifications. 

  • In a strong substantial manner; considerably. 

  • To a great extent; in essence; essentially. 

How often have the words by a long shot and substantially occurred in a corpus of books? (source: Google Ngram Viewer )