apheresis vs inclusion

apheresis

noun
  • Elision, suppression, or complete loss of a letter or sound (syllable) from the beginning of a word, such as the development of special from especial; procope. 

  • The removal of blood from a patient, and the removal of certain components (such as platelets) from that blood, followed by the transfusion of the filtered blood back to the donor (patient). 

inclusion

noun
  • A mapping where the domain is a subset of the image. 

  • Anything foreign that is included in a material, 

  • The act of including, i.e. adding or annexing, (something) to a group, set, or total. 

  • Any material that is trapped inside a mineral during its formation, as a defect in a precious stone. 

  • A nuclear or cytoplasmic aggregate of stainable substances. 

  • An addition or annex to a group, set, or total. 

  • An object completely inside a tissue, such as epidermal inclusion cyst, a cyst in the epidermis. 

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