snigger vs tee hee

snigger

verb

  • To emit a snigger. 

noun

  • A partly suppressed or broken laugh. 

  • A sly or snide laugh. 

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 snigger and tee hee occurred in a corpus of books? (source: Google Ngram Viewer )