The word 'suspect' is both a noun (suspect, suspects) and a verb (suspect, suspects, suspecting, suspected).
To suspect someone of something is an action, so it is a verb.
A suspect as in person who has been arrested for a crime in a noun.
A verb is a word that describes an action (run, walk, etc), a state of being (exist, stand, etc) or occurrence (happen, become, etc).
A noun is a word for a person (man, lady, teacher, etc), place (home, city, beach, etc) or thing (car, banana, book, etc).
suspect
Yes, the noun astonishment is an abstract noun, a word for an emotional reaction.
Is undergone an abstract noun
The abstract noun is criticism.
The abstract noun is obligation.
The abstract noun for suspect is "suspicion."
suspect
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.