There is no abstract noun form of the adjective silent.
The noun form is silence, a concrete noun; a word for the absence of sound, a word for a physical quality or condition.
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
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.
The abstract noun for the adjective quick is quickness.