| A | B |
|---|
| doc | teach |
| homonym | two words sounding and spelled the same but with different meanings |
| doctrine | a system of teachings related to one subject |
| erg | work |
| energy | the capacity for activity |
| ergometer | a device for measuring muscle power |
| grad | step, go |
| gradual | changing or moving little by little |
| digress | to move away from the main topic |
| homo | same |
| homogeneous | made up of the same parts |
| heterdox | holding different ideas or opinions |
| hetero | different |
| heterogeneous | made up of different parts |
| dogma | an official system of principles related to a faith |
