dust vs smut

dust

verb
  • To spray or cover something with fine powder or liquid. 

  • To remove dust; to clean by removing dust. 

  • To leave; to rush off. 

  • To kill. 

  • Of a bird, to cover itself in sand or dry, dusty earth. 

  • To reduce to a fine powder; to levigate. 

  • To remove dust from. 

noun
  • The act of cleaning by dusting. 

  • Submicron particles in outer space, largely silicates and carbon compounds, that contribute greatly to extinction at visible wavelengths. 

  • The earthy remains of bodies once alive; the remains of the human body. 

  • A disturbance or uproar. 

  • A low or mean condition. 

  • Something worthless. 

  • Fine, dry particles of matter found in the air and covering the surface of objects, typically consisting of soil lifted up by the wind, pollen, hair, etc. 

  • The earth, as the resting place of the dead. 

  • A totally disconnected set of points with a fractal structure. 

smut

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. 

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. 

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