| A | B |
| ego | one's sense of self-importance |
| egocentric | thinking only of oneself; being self-centered |
| egomaniac | one who is excessively self-centered |
| egotism | thinking of oneself excessively due to an inflated sense of self-importance |
| egotistical | conceited or self-absorbed |
| autonomous | self-governing |
| automation | operating by automatic means |
| autocrat | rule with total power |
| autofocus | self-focusing |
| autopilot | done automatically, without much thinking or awareness |