As nouns the difference between autoimmunity and autoimmunology
is that autoimmunity is the condition where one's immune system attacks one's own tissues, i.e., an autoimmune disorder while autoimmunology is the branch of immunology that studies autoimmunity.
autoimmunity
Noun
(pathology, immunology) The condition where one's immune system attacks one's own tissues, i.e., an autoimmune disorder.
autoimmunology
English
Noun
(-)
(immunology) The branch of immunology that studies autoimmunity