| Propylen | propylene |
| Propylon | propyleum |
| Propen | propene |
| Prokyon | Procyon |
| Propadien | propadiene |
| Propanon | acetone |
| Propfan | propfan |
| Propin | propyne |
| Protzen | splurge |
| protzen | show off splurge |
| Problem | problem trouble |
| Profiler | profiler |
| Prolet | pleb |
| Prolin | proline |
| Pronomen | pronoun |
| Propan | propane |
| Propeller | propeller |
| Prophet | prophet Prophet |
| Propolis | propolis |
| Propylenglykol | 1,2-propandiolo 1,2-propanediol propane-1,2-diol propylene glycol |