A proper noun names a particular person, place, thing, or event.
A common noun name anyone of a class of persons, places, things, or events.
2. Abstract or Concrete
Abstract nouns express the quality of a noun that cannot be heard, smelled, tasted, or touched.
Concrete nouns can be touched, heard, smelled, tasted, or seen.
These nouns denote a group of persons, animals, or inanimate objects taken as one.
4. Compound nouns
Compound nouns are made up of two words or are two word combination.
5. Nouns have the quality to denote whether they mean one or more than one.