The name Grace is a proper noun.
The word grace is a noun. It can also be a verb meaning to adorn.
Pronoun
A noun.
Truman is a name, so therefore as a part of speech it is a proper noun.
If you mean the actor who plays the part of Jared Grace in the movie, then the actor's name is Freddie Highmore.
Proper name, noun
Verb.
It is a noun. It is a name of an animal.
To appeal to feelings and emotions - apex
"Hydrophobia" is a noun, the name of a disease.
It is a proper noun, as it is the name of someone.
The part of speech that describes a noun is called an adjective. Adjectives are words that modify or describe nouns by providing more information about their characteristics, qualities, or attributes.