patois vs pidgin English

patois

noun
  • A regional dialect of a language (especially French); usually considered substandard. 

  • Jamaican Patois, a Jamaican creole language primarily based on English and African languages but also has influences from Spanish, Portuguese and Hindi. 

  • Jargon or cant. 

  • Creole French in the Caribbean (especially in Dominica, St. Lucia, Trinidad and Tobago and Haiti). 

  • Any of various French or Occitan dialects spoken in France. 

pidgin English

noun
  • Any English-lexifier pidgin. 

  • Any very basic English; broken English. 

  • The Chinese pidgin English spoken in Canton and Hong Kong, later spreading throughout the Chinese and Southeast Asian coastal region. 

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