filthy vs grime

filthy

verb
  • To make very dirty; to saturate something with dirt. 

  • To cover in filth. 

adj
  • Covered with filth; very dirty. 

  • Obscene or offensive. 

  • Very unpleasant or disagreeable. 

grime

verb
  • To begrime; to cake with dirt. 

noun
  • Dirt, grease, soot, etc. that is ingrained and difficult to remove. 

  • A genre of urban music that emerged in London, England, in the early 2000s, primarily a development of UK garage, dancehall, and hip hop. 

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