Hi nawab,
There are a few well-known definitions which should help you up.
empathy = identification with and understanding of another's situation, feelings, and motives.
the ability to understand other people's feelings and problems
She had great empathy with people.
sympathy = a relationship or an affinity between people or things in which whatever affects one correspondingly affects the other.
A feeling or an expression of pity or sorrow for the distress of another; compassion or commiseration. Often used in the plural.
Sympathy = the feeling of being sorry for someone who is in a bad situation
sympathy for
I have a lot of sympathy for her; she had to bring up the children on her own.
I have absolutely no sympathy for students who get caught cheating in exams.
She wrote a letter expressing her sympathy.
play on somebody's sympathy (=make someone feel sorry for you in order to gain an advantage for yourself)
We would like to pass on our deepest sympathy to Ken's wife Marjorie.
Our sympathies are with the families of the victims.
My sympathies go out to the boy's mother.
[plural,uncountable] belief in or support for a plan, idea, or action, especially a political one
in sympathy with something
Willard is in sympathy with many Green Party issues.
Her sympathies lie firmly with the Conservative Party.
[uncountable] a feeling that you understand someone because you are similar to them:
There was no personal sympathy between them.
Regards.
V.