As nouns the difference between taxonomy and myelopathy
is that taxonomy is the science or the technique used to make a classification while myelopathy is a disorder in which the tissue of the spinal cord is diseased or damaged.
As nouns the difference between radiculopathy and myelopathy
is that radiculopathy is (pathology) any disease of the spinal nerve roots and spinal nerves while myelopathy is a disorder in which the tissue of the spinal cord is diseased or damaged.