Pinhead vs goo-goo

Pinhead

noun

  • A member of the Provisional IRA. 

goo-goo

noun

  • A government reformer. 

  • A Philippine person. 

adj

  • Amorous, affectionate. 

intj

  • The noise of a baby trying to imitate speech. 

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