What are examples of concrete words in Martin Luther I have A Dream speech?

Here are some examples of concrete words used in Martin Luther King Jr.'s "I Have a Dream" speech:

1. “I stand here today.” (Pronoun)

2. “America is a great nation.” (Noun)

3. “We must not let the flames of resentment snuff out the flames of hope.” (Noun)

4. “We must live together as brothers.” (Noun)

5. “I have a dream that one day this nation will rise up.” (Noun)

6. “It will rise up and live out the true meaning of its creed.” (Verb)

7. “We shall not always be satisfied.” (Verb)

8. “We must strive to live in peace.” (Verb)

9. “Let freedom ring from the mighty mountains.” (Noun)

10. “Let freedom ring from the slopes of California.” (Noun)