Go is not a noun at all: it is a form of the verb, to go.
(The proper noun "Go" is a game native to Asia.)
The noun 'hopefulness' is an abstract noun, a word for an emotion.
Abstract
Most likely to be an ABSTRACT NOUN in some conditions but it can be a concrete noun but Abstract noun is used more in abstract sentences.
Yes, future is an abstract noun.
The noun 'generosity' is an abstract noun, a word for a quality of someone or something.
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 word audience is a singular, common noun. The noun audience is a concrete or an abstract noun depending on use. Examples: concrete noun: The audience is waiting for the curtain to go up. abstract noun: We have secured a ticket for a Papal audience for you.
The abstract noun is obligation.
Friendship has not abstract noun because It is a abstract noun
Abstract noun of hopeless
The word 'go' is sometimes an abstract noun itself. Some examples: I'll have a go at answering your question. He has no get up and go. He was able to make a go of the flower shop. The abstract noun form of the verb to 'go' is the gerund, going. Example: Our going will show them that we support their efforts.
The abstract noun form is tourism.
The abstract noun for the adjective quick is quickness.