Here are the correct forms of the words for your exercise:

1. Joanne wants to become a **scientist** in the future. (science)
2. Many rural areas in Viet Nam have been **urbanized** in the last few years. (urban)
3. The book was so **uninteresting** that we didn’t want to read it. (interest)
4. There are a lot of **contestants** in the competition. (contest)
5. Linda’s **absence** made the party less exciting. (absent)