het vs het up

het

adj
  • Heated. 

  • heterozygous 

  • Heterosexual. 

noun
  • A heterosexual person. 

  • Fan fiction based on celebrities or fictional characters involved in an opposite-sex romantic and/or sexual relationship. 

  • heterozygote 

het up

adj
  • Excited or agitated; heated up. 

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