Read the LANGUAGE FOCUS. Then copy and complete it with more examples in blue from the blog. LANGUAGE FOCUS Prefixes Prefixes can be added to the same root word to create different words. For example from the root word use you can form reuse and misuse. PREFIX MEANING un- in- dis- il- im- ir un- dis re- hyper- mis- multi- off-/on- out- over-/ under- pre-/ post- self. not (mainly | Focus 4. Second Edition. Student's Book | 3/124