Solution:
Here are the adjectives formed from the nouns and example sentences:
- 1. success -> successful. Sentence: She had a successful career as a singer.
- 2. care -> careful. Sentence: Be careful when crossing the street.
- 3. thought -> thoughtful. Sentence: It was thoughtful of you to bring flowers.
- 4. speech -> speechless. Sentence: He was speechless after hearing the news.
- 5. beauty -> beautiful. Sentence: The landscape was incredibly beautiful.