enema vs suppository

enema

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

  • The fluid so injected. 

  • A device for administering such an injection. 

suppository

noun
  • A medicine in the form of a small plug that is inserted into a bodily cavity, especially the rectum, vagina or urethra, where it melts at body temperature. 

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