smutty vs spicy

smutty

adj
  • Obscene, indecent. 

  • Affected with the smut fungus. 

  • Soiled with smut; blackened, dirty. 

verb
  • To make dirty; to soil. 

spicy

adj
  • Risqué, sexy, racy; mildly pornographic. 

  • Of, pertaining to, or containing spice. 

  • Vigorous; colorful; stimulating. 

  • Tangy, zesty, or pungent. 

  • Scandalous. 

  • Provoking a burning sensation due to the presence of chilis or similar hot spices 

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