Conjunction-The  word  that  connects words, phrases, clauses, or sentences is called conjunction.
The common conjunctions words are : and, but, for, or, nor, yet, and so


Coordinating Conjucndtion– It joins single words, or they may joins group of words but they must always similar elements.

Coordinating Conjucndtion
F
A
N
B
O
Y
S
For
And
Nor
But
Or
Yet
So


Examples-

*My friend and I will attend the meeting.
 *Austria is famous for the beauty of its landscape and the hospitality of its people.
*The sun rose and the birds began to sing.
  *They tried but did not succeed.


Correlative conjunction – These are pairs of words. These are always used together.

both… and

either… or

neither… nor

not only… but also

whether… or
Examples:

both … and
He is both intelligent and good-natured.
either … or
I will either go for a walk or read a book.
neither … nor
He is neither rich nor famous.
hardly … when
He had hardly begun to work, when he was interrupted.
if … then
If that is true, then what happened is not surprising.
no sooner … than
No sooner had I reached the corner, than the bus came.
not only … but also
She is not only clever, but also hard-working.
rather … than
I would rather go swimming than go to the library.
scarcely … when
Scarcely had we left home, when it started to rain.
what with … and
What with all her aunts, uncles and cousins, she has many relatives.
whether … or
Have you decided whether you will come or not?

Other conjunction words:
After, Although, As, As If, As Long As, Because, Before, Even If, Even Though,
Once, Since, So That, Though, Till, Unless, Until, What,When, Whenever, Wherever, 
Whether, While