phallic vs smutty

phallic

adj
  • Relating to, or characteristic of the penis. 

  • Shaped like an erect human penis. 

smutty

adj
  • Obscene, indecent. 

  • Affected with the smut fungus. 

  • Soiled with smut; blackened, dirty. 

verb
  • To make dirty; to soil. 

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