granite vs gritty

granite

noun
  • A group of igneous and plutonic rocks composed primarily of feldspar and quartz. Usually contains one or more dark minerals, which may be mica, pyroxene, or amphibole. Granite is quarried for building stone, road gravel, decorative stone, and tombstones. Common colors are gray, white, pink, and yellow-brown. 

  • Toughness; the quality of having a thick skin or being rough. 

gritty

adj
  • Containing sand or grit; consisting of grit; caused by grit; full of hard particles. 

  • Spirited; resolute; unyielding. 

  • Intense and starkly realistic; depicting harsh reality, especially violence. 

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