Hierarchy is a noun
The plural form of hierarchy is hierarchies.
The noun form for the adjective horrible is horribleness.
Yes, the noun 'hierarchy' is an abstract noun; a word for a series in which each element is graded or ranked; a categorization of a group of people according to ability or status; a group of persons having authority, etc.
The noun form of the adjective 'prosperous' is prosperousness.A related noun form is prosperity.
The noun form of the adjective obedient is obedience.
noun form of religious
The noun form is punisher
Synchronous Digital Hierarchy
Implication is the noun form of "imply."
The noun form for the adjective glaring is glaringness. Another noun form is glare.
The noun form for the adjective austere is austereness. Another noun form is austerity.
The noun form for the adjective acrimonious is acrimoniousness.A related noun form is acrimony.