discourteous vs roughcast

discourteous

adj
  • impolite; lacking consideration for others 

roughcast

adj
  • Unpolished. 

verb
  • To shape crudely; to form in its first rudiments, without correction or polish. 

  • To apply a roughcast finish to. 

noun
  • A crude model. 

  • A rough surface finish, as of a plaster or stucco wall. 

  • A mixture of pebbles or similar material used to finish a plaster or concrete wall. 

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