Yes. An Abstract noun is an idea, something you can't physically see, hear, feel, taste, or smell. A concrete noun you can feel, hear, smell, taste, see.
Yes, the noun astonishment is an abstract noun, a word for an emotional reaction.
The word 'honour' is a noun (honour, honours) and a verb (honour, honours, honouring, honoured).The noun 'honour' is a singular, common, abstract noun; a word for high respect; great privilege; mark, token, or gesture of respect or distinction; a word for a thing.
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.
The noun childhood is a singular, common, abstract, compound noun; a word for the time of being a child.