hayseed vs naif

hayseed

adj
  • Characteristic of or befitting a hayseed (person); rustic, uncultivated, backwater. 

noun
  • A rustic person; a yokel or bumpkin. 

  • Seeds from grass that has become hay. 

  • Cruft from bits of hay that sticks to clothing, etc. 

naif

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