| 5000 Vocabulary List for Visiting Scholars in the USA - Page 567 | |||
| Word | Type | Used in a Sentence | Synonym | 
| suicide | noun | His death was ruled a suicide. | killed by self | 
| suit | noun | He wore a new suit. | outfit | 
| noun | He filed a suit in court. | petition | |
| verb | This will suit me very well. | please | |
| verb | This does not suit the occasion. | match | |
| suitable | adj. | We need a suitable place to stay. | proper | 
| suitcase | noun | He carried a suitcase on his trip. | luggage | 
| sulfur | noun | Sulfur is a pale yellow element. | symbol S | 
| sullen | adj. | Today has sullen, gray skies. | gloomy | 
| adj. | He was a bitter, sullen man. | brooding | |
| sum | noun | The sum of two and three is five. | total | 
| noun | It is the sum of the knowledge. | whole | |
| summarize | verb | He will now summarize his findings. | review |