hooking vs sex work

hooking

noun
  • The penalized action of using one's stick to restrain an opponent. 

  • The act of catching or fastening something on a hook. 

sex work

noun
  • Any job in which sex or eroticism is involved, especially prostitution or pornography. 

  • My mother distributes condoms and outreach materials to those that do sex work for a living in the Tenderloin and Mission. 

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