| A | B |
| Polychromatic | having many different colors |
| Polyclinic | a hospital that treats many different kinds of diseases |
| Polydactyl | having many fingers or toes (more than the usual number) |
| Polyglot | a person who knows how to speak,read or write many languages |
| Polygon | a closed plane figure with many straight lines that connect |
| Polygraph | a machine that writes down many different changes in the body while the person answers questions; a lie detector test |
| Polyhedron | a solid figure with many sides |
| Polymorphous | having or assuming many different forms |
| Polysyllabic | having many syllables |
| Polytheism | the belief in many different gods |