bosh vs plain speaking

bosh

intj
  • An expression of disbelief or annoyance. 

  • An expression of speedy and satisfactory completion of a simple or straightforward task. 

noun
  • The lower part of a blast furnace, between the hearth and the stack. 

  • A fiddle (musical instrument). 

  • Nonsense. 

verb
  • To consume (illicit drugs). 

plain speaking

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