| 5000 Vocabulary List for Visiting Scholars in the USA - Page 470 | |||
| Word | Type | Used in a Sentence | Synonym |
| request | verb | I requested they come in the afternoon. | asked |
| require | verb | We require a BS degree in Chemistry. | dictate |
| verb | What will you require from me? | need | |
| rescue | noun | It was a dramatic rescue. | deliverance |
| verb | They rescued her from certain death. | saved | |
| research | noun | What kind of research are you doing? | experimentation |
| verb | She researched the gemstones. | investigated | |
| resemblance | noun | There is a resemblance between them. | likeness |
| resemble | verb | They resemble each other. | take after |
| resent | verb | She resented his success. | disliked |
| reservation | noun | We have reservations on the plane. | bookings |
| noun | I've reservations about the experiment. | doubts | |