No, the proper noun Samuel is a concrete noun, a word for a person.
The abstract noun for the adjective tolerant is tolerance.
Abstract.
The abstract noun for "discuss" is "discussion."
The abstract noun for "loud" is loudness.
The abstract noun for insult is "insultation."
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.
Abstract noun of hopeless
The abstract noun is obligation.
Friendship has not abstract noun because It is a abstract noun
Since you were not able to 'bold' the noun you were seeking, the following gives the types of all of the nouns in the sentence:-Samuel is a singular, proper, concrete noun; the name of a person.-answer is a singular, common, abstract noun; a word for a thing.-problem is a singular, common, abstract noun; a word for a thing.-textbook is a singular, common, compound, concrete noun; a word for a thing.
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.