Act + or = actor
Sentence: He was the best actor on the show.
Storm + y = stormy
Sentence: In stormy weather, the sky is a darker grey color.
Beauty + ful = beautiful
Sentence: She has the most beautiful smile.
Value + able = valuable
Sentence: Her jewelry is very valuable.
For the bottom part:
1. Sleepily
2. Endless
3. Darken
4. Fixable
5. Leader