| Propfan | propfan |
| Propan | propane |
| profan | mundane carnal profane secular |
| Propin | propyne |
| Propen | propene |
| Pfropfen | grafting |
| pfropfen | graft |
| Tropfen | drop raindrop wine dripping |
| tropfen | drip drop |
| Prof | professor |
| Prof. | professor |
| Prokyon | Procyon |
| Propanol | propanol |
| Propanon | acetone |
| Propylen | propylene |
| Protzen | splurge |
| protzen | show off splurge |
| prograd | prograde |
| Proband | experimentee |
| Profi | professional pro |