stern
The workers held a strike to protest the boss' stern request.
stockholder
The stockholders of Phoenix TV are optimistic about the company's future.
subordinate
In her book, she subordinates this issue to more general problems.
subsidy
Can I apply for the unemployment subsidy when I have no job?
summon
I was summoned by my boss to explain my actions yesterday.
superiority
No one doubts the superiority of modern ways of traveling over those of old times.