nor: I do not like tennis, nor do my grandfather.
for: My mother did not cook yesterday, for she was not at home.
but: There are lots of problems about my school, but I like it.
and: my brother found a new job, and he is going to start his new job on monday.
or: give your money, or I will kill you.
so: There are millions of cars in İstanbul, so there is a serious traffic problem.
yet: He had a many car accidents because of high speed, yet he is driving his car fast.