| vocabulary word | 1.38 | Each card contains a vocabulary word. | ||
| vocabulary list | 0.66 | Sometimes vocabulary lists are bad. | ||
| vocabulary lesson | 0.39 | Need a vocabulary lesson? | ||
| vocabulary test | 0.33 | The teacher gave us a vocabulary test. | ||
| vocabulary skill | 0.26 | Many evenings she practices her vocabulary skills on a computer in the family room. |