delicacy vs smut

delicacy

noun
  • Something appealing, usually a pleasing food, especially a choice dish of a certain culture suggesting rarity and refinement. 

  • The quality of being delicate. 

  • Refinement in taste or discrimination. 

  • Fineness or elegance of construction or appearance. 

  • Tact and propriety; the need for such tact. 

  • Frailty of health or fitness. 

smut

noun
  • Bad, soft coal containing earthy matter, found in the immediate locality of faults. 

  • Obscene language; ribaldry; obscenity. 

  • A flake of ash or soot. 

  • Soot. 

  • Sexually vulgar material; something that is sexual in a dirty way; pornographic material. 

  • Any of a range of fungi, mostly Ustilaginomycetes, that cause plant disease in grasses, including cereal crops; the disease so caused. 

verb
  • To stain (or be stained) with soot or other dirt. 

  • To clear of the smut fungus. 

  • To taint (grain, etc.) with the smut fungus. 

  • To become tainted by the smut fungus. 

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