That is impossible an abstract noun is an emotion
The concrete noun 'worker' is a form of the abstract noun work, a word for a concept.
The word 'casual' is a concrete noun as a word for an occasional worker or a soldier temporarily at a station; a word for a person.The abstract noun form of the adjective 'casual' is casualness.
Yes, the noun astonishment is an abstract noun, a word for an emotional reaction.
Is undergone an abstract noun
Concrete noun
The abstract noun is criticism.
The noun 'hopefulness' is an abstract noun, a word for an emotion.
Abstract noun of hopeless
The abstract noun is obligation.
Friendship has not abstract noun because It is a abstract noun
The abstract noun form is tourism.
The abstract noun for the adjective vacant is vacantness. Another abstract noun form is vacancy.