The word Baseball is a common noun.
Baseball is only a proper noun when it is used in a specific name such as the National Baseball Hall of Fame or Baseball Cards Only in Atlanta Ga.
The noun 'Olympics' is a proper noun, a shortened for the the proper noun 'Olympic Games', the name of a specific international sporting event.A proper noun is always capitalized.A common noun is a general word for any person, place, or thing. Examples of common nouns for the proper noun 'Olympics' are competition, event, or occasion.A common noun is capitalized only when it is the first word in a sentence.
"Bats" is a common noun as it refers to a general group of animals not a specific set unlike "Vampire Bats" which would be considered a proper noun because it refers directly to specific variety of bats.
Proper would be "Steve likes baseball." Common would be "The man likes baseball."
As a name of a road , Park Avenue', it is a proper noun, and both words star with a capital letter. However, when used separately, as 'the park, or 'the avenue', they are common nouns and so not need a capital letter.
It is a proper noun, because it is the name of a specific thing.
Proper noun
proper
it's a common noun. a proper noun would be Spider-Man.
Pencil proper or common noun
The noun cassette is a common noun.
a common noun?
Camel is a common noun.