Yes, the noun exaggeration is an abstract noun; an exaggeration is opinion.
Exaggeration.
The noun 'hopefulness' is an abstract noun, a word for an emotion.
Abstract
Yes, future is an abstract noun.
The noun 'generosity' is an abstract noun, a word for a quality of someone or something.
Exaggeration is the abstract noun for exaggerate
Exaggeration.
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.
The abstract noun is obligation.
Abstract noun of hopeless
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.