The form of "old" that would be considered an abstract noun would be "oldness", the state of being old.
The noun 'antique' is an abstract noun; a word for something that has special value because it is old, rare, beautiful, or unique. The noun 'antique' is a word for a concept.The abstract noun form for the adjective antique is antiqueness.
Abstract
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 noun 'Precious' (capital P) is the name of a person, a proper noun, a concrete noun.The word 'precious' (lower case p) is an adjective, a word to describe a noun.The abstract noun form of the adjective precious is preciousness, a common noun.