| Term | Definition |
| En, em | in, into |
| Entice | to lead on by exciting hope or desire; allure |
| Endemic | natural of a specific people or place; native, indiginous |
| Entreat | to ask earnestly, beg or beseech |
| Embroil | to involve in argument, contentions, or hostile actions |
| Err | wander |
| Erroneous | containing error OR wandering from what is considered normal, decent or proper |
| Erratic | having no definite or specified course; unpredictable, eccentric |
| Errant | deviating from the regular or proper course; straying |
| Eu | well, good |
| Eugenics | The study of hereditary improvement of the human race by controlled selective breeding |