"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
The noun 'scarf' is a singular, common, concrete noun; a word for a thing.The word 'scarf' is also an informal verb: scarf, scarfs, scarfing, scarfed.
Common
It is a proper noun, because it is the name of a specific thing.
proper
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
The noun 'scarf' is a singular, common, concrete noun; a word for a thing.The word 'scarf' is also an informal verb: scarf, scarfs, scarfing, scarfed.
Common
It is a proper noun, because it is the name of a specific thing.
proper
Proper noun
it's a common noun. a proper noun would be Spider-Man.
Pencil proper or common noun
Proper noun or common noun
The noun cassette is a common noun.
a common noun?
The answer is proper noun. Examples of common noun and proper noun are: Proper noun: Mary Collins Common noun: monkey