Question

She did not release him(noun form of release)​

Answer 1

Answer:

The noun form of release is release.

Ex. The release of the new movie was yesterday.

Hope this helps.

Explanation:

Answer 2

Answer:

Hey dear

First of all I am really confused by your question on whether it is release or realize. Realize in the sense did not understand him.

Then also here's your answer

!} She did not release him is the correct form cause release itself is a noun.

Hope it helps!!