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.
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.
The abstract noun for the adjective quick is quickness.