An army = a collection of soldiers.
                           NOUN                                   A crowd = a collection of people.
     A Noun is a word used as the name of a person, place         A herd = a collection of cattle.
or thing.                                                         A library = a collection of books.
     For example : Ram, Mohan, Sita,Gita, Delhi, America,         Thus, when a name denotes a group of similar indi-
Shakespeare, pen, paper, cigarette, soldier etc.             viduals, considered as one undivided whole, it is called a
Classification of Noun                                       Collective Noun.
     Noun is classified into four groups. They are :              4. An Abstract Noun is usually the name of a quality,
     1. Common Noun                                          action or state considered apart from the object to which
     2. Proper Noun                                          it belongs. For example,
     3. Collective Noun                                           Quality             Action           State
     4. Abstract Noun                                             Goodness            Laughter         Childhood
     Look at the sentences :                                      Kindness            Theft            Boyhood
     Vikramaditya was a great king.                               Whiteness           Movement         Youth
     The Noun Vikramaditya refers to a particular king,           Darkness            Judgement        Slavery
but the Noun king might be used with any other king. We           Hardness            Hatred           Sleep
call Vikramaditya a Proper Noun and king a Common                 Brightness          Heroism          Sickness
                                                                  Honesty                              Death
                                                                  Wisdom                               Poverty
          Gauri is a girl.
     Here, Gauri is a Proper Noun, while girl is a Common
Noun.                                                             The names of the Arts and Science (e.g., grammar,
          Ramesh is a boy.                                   music, chemistry, physics etc.) are also Abstract Nouns.
     Here, Ramesh is a Proper Noun, while boy is a Com-           [We can speak of a brave soldier, a strong man, a
mon Noun.                                                    beautiful flower. But we can also think of these qualities
          Delhi is a city.                                   apart from any particular person or thing, and speak of
     Here, Delhi is a Proper Noun, while city is a Common    bravery, strength, beauty by themselves. So, we can also
Noun.                                                        speak of what persons do or feel apart from the persons
                                                             themselves, and give it a name. The word abstract means
          Canada is a country.
                                                             drawn off.]
     Here, Canada is a Proper Noun, while country is a
Common Noun.                                                 Formation Of Abstract Nouns
     The words – girl, boy, city, country – in the above          Abstract Nouns are generally formed from Common
examples are all Common Nouns, because they are the          Nouns, Verbs and Adjectives by adding such suffixes as :
names common to all girls, boys, cities and countries; while ___hood, ____cy, ____ism, ____ship, ____ment, _____ ice,
Gauri, Ramesh, Delhi and Canada are all Proper Nouns         _____ness, ____ter, ____ty, ____ th, etc.
because, they are the names of particular girl, boy, city    (a) From Common Nouns :
and country.                                                      boy           boyhood         girl       girlhood
     Thus,                                                        infant        infancy         agent      agency
     1. A Common Noun is a name given in common to                thief         theft           hero       heroism
every person or thing of the same class or kind.                  slave         slavery         bond       bondage
     2. A Proper Noun is the name of some particular per-         friend        friendship      leader     leadership
son or place.                                                     judge         judgement       coward     cowardice
     [Proper means one"s own. Hence, a Proper Noun is a      (b) From Verbs :
person"s own name.]                                               live          life            govern     government
     Note 1 : Proper Nouns are always written with a capi-        know          knowledge       serve      service
tal letter at the beginning.                                      see           sight           obey       obedience
     Note 2 : Proper Nouns are sometimes used as Com-             advise        advice          practise   practice
mon Nouns;                                                        laugh         laughter        think      thought
     For example,                                                 please        pleasure        prepare    preparation
     Sachin is the Bradman of India.                              grow          growth
     Kalidas is often called the Shakespeare (the greatest   (c) From Adjectives :
dramatist) of India.                                              brave         bravery         good       goodness
     3. A Collective Noun is the name of a number (or             great         greatness       honest     honesty
collection) of persons or things taken together and spoken        poor          poverty         just       justice
of as one whole. For example,                                     young         youth           true       truth
     Crowd, mob, team, flock, herd, army, fleet, family,          wise          wisdom          broad      breadth
nation, jury, committee, parliament, troop, navy, library.        long          length          wide       width
     A fleet = a collection of ships or vessels.                  deep          depth           sole       solitude
                                                                  grand         grandeur        kind       kindness