| A | B |
| philanthropy | A love of mankind. |
| philology | A love of argument or speech. |
| bibliophile | A lover of books. |
| autobiography | Story of a person's life written by him or herself. |
| autograph | One's own signature. |
| automatic | Operating without external assistance. |
| theology | Study of the nature of God and religious truth. |
| theomachy | Battle among gods, as in the Homeric poems. |
| theophany | Appearance of a god to a human being. |
| auctioneer | Person who publicly sells property for others. |
| conductor | Someone who leads others. |
| anthropologist | Someone who studies the development of man. |
| genetics | Study of heredity. |
| genocide | Deliberate killing of a race or culture. |
| biogenic | Produced by living organisms. |
| democracy | Government by the people. |
| democratic | Of, characterized, or advocating democracy. |
| demographics | The statistical data of human populations. |