Question

I wished to kill you (use the underlined word as a noun and rewrite)

Answer 1

I had a wish to kill u.

Answer 2

It seems that you are looking for :

I wished to kill you. use the underlined word as a noun and rewrite.

Answer:

Here we have to use wish as a noun.

Explanation:

In this sentence, wished is used as a verb. Now, we have to use it as a noun.

I had a wish to kill you.