Evidence.
Evidence.
The abstract noun form of the adjective 'unpopular' is unpopularity, a word for a concept.Example: The unpopularity of the government was evident.
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 noun form of the adjective 'evident' is evidentness. A related noun form is evidence.
The abstract noun form is tourism.