| Polymer | polymer |
| Polymerase | polymerase |
| Copolymer | copolymer |
| Polster | bolster cushion |
| Polder | polder |
| Polier | foreman |
| Poller | bollard |
| Polyeder | polyhedron |
| Polysem | polyseme |
| polysem | polysemous |
| Polei | pennyroyal |
| Polterer | lout |
| Poltern | rumble |
| poltern | jangle rumble rant |
| Polyamid | polyamide |
| Polylux | overhead projector |
| Polynja | polynya |
| Polytop | polytope |
| polar | polar |
| polierer | polisher |