enema vs hypodermic

enema

noun
  • A device for administering such an injection. 

  • An injection of fluid into the large intestine by way of the rectum, usually for medical purposes. 

  • The fluid so injected. 

hypodermic

noun
  • A hypodermic syringe, needle or injection 

adj
  • Of, or relating to the hypodermis, the layer beneath the dermis 

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