How many nouns are there

Proper Noun: A Proper Noun is the special name of a particular person or place
Examples:

1. Shweta is my friend.
2. I live in Kolkata.
3. Chandigarh is a beautiful place.

Common Noun: A Common Noun is a name given in common to every person or thing of the same class or kind.
Examples:

1. I like bananas.
2. It is a beautiful park.
3. He flies a kite in the sky.

Collective Noun: When a noun stands for a collection of persons or things, considered as one complete whole, it is called Collective Noun.
Examples:

1. I purchased a bunch of grapes.
2. I saw a herd of cattle.
3. Our class consists of forty students.
4. Material Noun: A noun which stands for the matter or substance of which things are made is called Material Noun.

Examples:

1. This chair is made of wood.
2. The chain is made of gold.
3. Clothes are made of cotton, wool and silk.

Abstract Noun: An Abstract Noun is the name given to a quality, a state or a concept. These are something which we can neither see nor touch but which we can only feel or think of them.
Examples:

1. I always speak the truth.
2. King Solomon is known for his wisdom.
3. The beauty of the place attracted me.