dram vs enema

dram

noun
  • Any similarly minute quantity, (now particularly) a small amount of strong alcohol or poison. 

  • One sixteenth of an ounce avoirdupois (approximately 1.77 g). 

  • Synonym of dirhem: a former Turkish unit of weight (variously 1.5–3.5 g). 

  • A cart formerly used to haul coal in coal mines. 

  • The currency of Armenia, divided into 100 luma. 

enema

noun
  • The fluid so injected. 

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

  • A device for administering such an injection. 

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