Pinhead vs jot

Pinhead

noun
  • A member of the Provisional IRA. 

jot

noun
  • Iota; the smallest letter or stroke of any writing. 

  • A small amount, bit; the smallest amount. 

  • A brief and hurriedly written note. 

verb
  • To write quickly. 

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