| A | B |
| sacred whisk | used by Potitius to drive away flies from Ara Maxima during rituals |
| ruma | origin (?) of the word Roma |
| Pales | deity worshipped by shepherds; source of "Palatine" Hill |
| Ara Maxima | "greatest altar" devoted to Hercules |
| stairs of Cacus | stairs built to provide access to top of Palatine Hill |
| Faustulus | swineherd who raised Romulus and Remus |
| Acca Larentia | wife of Faustulus; known as a "she-wolf" |
| ruminalis | fig tree under which Larentia nursed the twins |
| Tarquinia | town in Etruria where Potitius goes to school |
| haruspex | Etruscan diviner or seer; Potitius studies this art |
| Alba (Longa) | neighboring town sacked by Romulus and Remus |
| Amulius | ruler of Alba; killed by Romulus |
| Pinarius | Potitius' cousin; friend to Romulus and Remus |
| Numitor | brother of Amulius; usurped and killed by Amulius |
| Rhea Silvia | daughter of Numitor; forced to become Vestal virgin; mother of the twins |
| Mavors | Mars; father (?) of twins |
| Asylaeus | patron god of refugees; origin of the word "asylum" |
| pomerium | trench dug for Romulus' original wall; sacred boundary of the new city |