Which one is similar to Password : Account?

Which one is different from the rest three?

Choose the word which is different from the other three :

As ‘Court of law’ is related to ‘Justice’, in the same way, ‘School’ is related to which one of the following?

Select that number which is different from the others.

In a certain language SIMPLE is written as ISPMEL and CHAPTER is written as HCPARET. Then LFWORE stands for which word?