luscious vs yum

luscious

adj

  • Sweet and pleasant; delicious. 

  • Sexually appealing; seductive. 

  • Obscene. 

yum

adj

  • Delicious. 

intj

  • Indicating delight at the flavor of food. 

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