frolic vs tee hee

frolic

verb
  • To make merry; to have fun; to romp; to behave playfully and uninhibitedly. 

noun
  • Gaiety; merriment. 

  • A playful antic. 

tee hee

verb
  • To utter tee hee; to make a high-pitched laugh; to titter. 

intj
  • The sound of a giggle. 

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