No, the noun 'writer' is a common noun, a general word for any person who writes; a general word for a profession.
A proper noun is the name or title of a specific person, place, or thing; for example, William Shakespeare or Maya Angelou.
The noun 'Tyrese' is a proper noun, the name of a person. A proper noun is the name of a specific person, place, or thing. A proper noun is always capitalized. A common noun is a word for any person, place, or thing. A common noun is only capitalized as the first word of a sentnece. Some common nouns for the proper noun Tyrese are man, brother, singer, writer.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Since writer is not a proper noun, it doesn't have a proper adjective.
It is a proper noun, because it is the name of a specific thing.
proper
Proper noun
Pencil proper or common noun
it's a common noun. a proper noun would be Spider-Man.
Proper noun or common noun
The noun cassette is a common noun.
a common noun?
Camel is a common noun.