| A | B |
| affluent | Rich; wealth. |
| deflect | To turn aside or cause to turn aside. |
| flex | To bend or contract. |
| fluctuate | To change back and forth or vary greatly. |
| fluid | A substance, such as air or water, that flows easily and takes on the shape of its container. |
| flume | A gap, gorge, or narrow channel through which a stream of water flows. |
| inflexible | a. Not able to bend. b. Not able to change or be persuaded. |
| influential | a. Having power or importance. b. Producing a lasting change or effect. |
| influx | A steady stream of people or things flowing or pouring in. |
| reflex | An instinctive or automatic physical response, as a hiccup. |