Heart is a common noun. Proper nouns are the unique names of people, places, or things. Common nouns are words for general things. Pronouns replace proper and common nouns.
Proper noun
common noun
comon noun
Common noun
Common noun
Proper noun
Heart
Proper noun
Its a 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
heart is a common noun
The compound noun 'heart attack' is a common noun, a general word for a sudden severe occurrence of damage to heart; a word for a thing.A proper noun is the unique name of a person, a place, or a thing.
"Bosom" is a common noun. It refers to the chest or a person's heart or emotions.
"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
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.