What is noun form of speaks?

There isn't a direct noun form of "speaks". However, depending on the context, you could use these options:

* Speech: This is the most general noun, referring to the act of speaking.

* Utterance: This refers to a single instance of speaking.

* Conversation: This refers to a spoken exchange between two or more people.

* Dialogue: Similar to conversation, but often used for a more formal or literary context.

For example:

* "He gave a powerful speech."

* "Her utterance was barely audible."

* "They had a lively conversation."

* "The play's dialogue was witty."

The best choice depends on the specific meaning you want to convey.