Cowboy is a common noun. Proper nouns are the unique names of people, places, or things. Common nouns are the words for general things. If a common noun is part of a name, it becomes a proper noun. Pronouns always replace proper and common nouns.
When used to mean a group of ranchers, cowboys is a common noun. If used as the name of the football team (Dallas Cowboys), a business (Backcountry Cowboy Outfitters), or a book/movie title (Midnight Cowboy) it is a proper noun.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Common
It is a proper noun, because it is the name of a specific thing.
proper
Cowboy is a common noun. If a common noun is part of a name, it becomes a proper noun. Proper nouns are the unique names of people, places, or things. Common nouns are the words for general things. Pronouns always replace proper and common nouns.
When used to mean a group of ranchers, cowboys is a common noun. If used as the name of the football team (Dallas Cowboys), a business (Backcountry Cowboy Outfitters), or a book/movie title (Midnight Cowboy) it is a proper noun.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Common
It is a proper noun, because it is the name of a specific thing.
proper
Proper noun
The noun 'ragtime' is a common noun, a general word for a style of music.A proper noun is the name of a specific person, place, or thing; for example, the song "Ragtime Cowboy Joe" (c.1912) or the movie "Ragtime" (1981).
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.