grimy vs subfusc

grimy

adj
  • Stained or covered with grime. 

  • Morally corrupt, malicious, vile, or selfish; base or dirty; rotten. 

  • From the urban musical genre called grime. 

subfusc

adj
  • Having subdued colors. 

noun
  • Clothing acceptable, by regulation at certain universities, for an examination or official event. 

  • Formal clothing worn on special academic occasions. 

  • Dark clothing. 

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