Read the definitions carefully and select the correct words.
1. a secret sexual relationship between two people, when at least one of them is married to someone else
2. if people are apart, they are not together in the same place, or not having a relationship with each other
3. the feeling that something is definitely true or definitely exists
4. happening regularly or all the time
5. continuing to happen or exist without stopping
6. having the same rights, opportunities etc as everyone else, whatever your race, religion, or sex
7. a situation in which people have the same rights, advantages etc
8. when there is not enough of something, or none of it
9. a way of working or living that causes you a lot of anxiety, especially because you feel you have too many things to do
10. if two people who are married or have been living together separate, they start to live apart
11. relating to the physical activity of sex
12. if people split up, or if someone splits them up, they end a marriage or relationship with each other
13. information based on a study of the number of times something happens or is present, or other numerical facts
14. if several things of the same type vary, they are all different from each other