pellagra

As nouns the difference between pellagra and illness

is that pellagra is (pathology) a disease, with skin lesions and mental confusion, primarily caused by a niacin deficiency while illness is (countable) an instance of a disease or poor health.

As nouns the difference between scurvy and pellagra

is that scurvy is a disease caused by insufficient intake of vitamin C leading to the formation of livid spots on the skin, spongy gums, loosening of the teeth and bleeding into the skin and from almost all mucous membranes while pellagra is a disease, with skin lesions and mental confusion, primarily caused by a niacin deficiency.

As an adjective scurvy

is covered or affected with scurf or scabs; scabby; scurfy; specifically, diseased with the scurvy.

As nouns the difference between taxonomy and pellagra

is that taxonomy is the science or the technique used to make a classification while pellagra is (pathology) a disease, with skin lesions and mental confusion, primarily caused by a niacin deficiency.