| A | B |
| ortho (root) | straight |
| Orthodontist | dentist who specializes in prevention and correction of irregularities of the teeth (n) |
| Orthodox | conforming to beliefs or attitudes that are generally approved (adj) |
| Orthopedics | branch of medicine who deals with prevention or correction of injuries of the skeletal system (n) |
| Unorthodox | breaking with convention or tradition (adj) |
| path (root) | feeling/suffering |
| Apathetic | without feeling (adj) |
| Empathy | feeling as if one were in the other's place (n) |
| Pathetic | arousing feelings of pity (adj) |
| Pathos | a quality, especially in literature, that arouses feelings of pity (n) |
| Sympathy | feeling for someone (n) |