Answer:

1. Success
2. revision
3. dying
4. processes
5. surprising
6. discussing
7. laughing
8. obeying
9. knowledge.

[tex].......[/tex]

[tex]\huge\mathcal{\fcolorbox{aqua}{azure}{\red{Answer}}}[/tex]

1. Success - The abstract noun for "succeed" is "success."

2. Revise - The abstract noun for "revise" is "revision."

3. Die - The abstract noun for "die" is "death."

4. Produce - The abstract noun for "produce" is "production."

5. Surprise - The abstract noun for "surprise" is "surprise."

6. Discuss - The abstract noun for "discuss" is "discussion."

7. Laugh - The abstract noun for "laugh" is "laughter."

8. Obey - The abstract noun for "obey" is "obedience."

9. Know - The abstract noun for "know" is "knowledge."