What kind of noun is constitution?

The noun 'constitution' is a singular, common noun.

The noun 'constitution' is an abstract noun as a Word for a person's general physical condition, health, and strength; the act of establishing, making, or setting up; a set of basic rules and principles for an organization that control how it operates.

The noun 'constitution' is a concrete noun as a Word for a document embodying the principles of an organization and how it operates.