gowk vs squarehead

gowk

noun
  • A fool. 

  • A cuckoo. 

  • An apple core. 

verb
  • To make foolish; to stupefy. 

squarehead

noun
  • A socially conventional or boring person. 

  • A foreigner of Germanic origin, especially a German, Dutch, or Scandinavian person. 

  • An honest person; a non-criminal. 

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