As a proper noun ignorance
is a personification of ignorance.
As a noun incompetence is
The condition of being uninformed or uneducated. Lack of knowledge or information.
* willful ignorance
* ignorance is bliss
Inability to perform; lack of competence; ineptitude.
- ... at the head of a crew, too, chiefly made up of mongrel renegades, and castaways, and cannibals--morally enfeebled also, by the incompetence of mere unaided virtue or right-mindedness in Starbuck
- Winston did not know why Withers had been disgraced. Perhaps it was for corruption or incompetence . Perhaps Big Brother was merely getting rid of a too-popular subordinate.
- The factory where she worked was a poisonous mass of incompetence , favoritism, and sabotage.