"Plan" is a common noun. Common nouns are general names for people, places, things, or ideas, whereas proper nouns are specific names given to individual people, places, or things. In this case, "plan" is a general term used to refer to a course of action or strategy, so it is considered a common noun.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
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.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
It is a proper noun, because it is the name of a specific thing.
proper
Unless it forms part of the name of a company (e.g. Budget DIY), then no, it is just a common noun.
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.
The answer is proper noun. Examples of common noun and proper noun are: Proper noun: Mary Collins Common noun: monkey