How to check the similar words in two text files.Pls Help

[aftab]

How to check the similar words in two text files. Pls Help
I have two text files named File1.txt and File2.txt. These files are having some english words. I just need to findout the similar words occuring in both the files using the Hash Table or any other method you may have.
Please help me.
Waiting for your response. Please don't disappoint me.
Thank you.

[Phaelax]

please don't double post

[aftab]

Thanks very much for your kind reply.
You know, I am just a beginner the pcode that you sent I am not able to understand could you PLS show me the codes. So that I'll get a better idea on how to do this.
Thanks once again!

[cjard]

similar, or same? if it is similar, you have a BIG problem.. what defines similar?

are these words similar:

cat sat mat


are these:

their there they're


what about these:

cough rough bough through

[aftab]

Its nice to see your reply. Similar words means which are same words occuring in two different text files eg:

TextFile1
How are you

TextFile2
There are five apples in the basket

Here the similar(same) words would be:
are


Thank you

Waiting for your reply.