Noun

1)proper Noun ( always start Capital letter)

1. common Noun ( A kind of man or materials general name) Example : girl, poet)
2. collective Noun ( Army, Jury)
3. material Noun ( Iron, water)
4. Collective Noun ( Air, honesty)
   Example and exercise
5. Rahim, Karim, India, Meghna ( proper Noun)
6. girl, boy, player, river ( common Noun)
7. Committee, meeting, pack, fleet,flock,shoal,library, class,group( collective Noun)
8. Iron is a useful metal here iron is Material Noun. Gold is a material Noun.
9. sadness,honesty,love, happiness ( abstract Noun)