- P... to Palatoschisis...
- Palilalia... to Pancreatolithiasis...
- Pancytolysis... to Papageienkrankheit...
- Papanicolaou... to Paragonimiasis...
- Paragranuloma... to Paraphrenia...
- Paraplegia... to Parergasia...
- Paresis... to Parson...
- Parsonage... to Patterned...
- Patulous... to Pelade...
- Pelger... to Penis...
- Penitis... to Pericementitis...
- Pericholecystitis... to Perinephric...
- Perinephritic... to Perirectal...
- Perirenal... to Perivesiculitis...
- Perlèche... to Petrellidosis...
- Petrositis... to Pharynx...
- Phase... to Phocomelia...
- Phoria... to Phycomycosis...
- Physalopteriasis... to Piles...
- Pili... to Pintid...
- Pinworms... to Plasmacytosis...
- Plaster... to Plumbism...
- Plummer... to Pneumohemopericardium...
- Pneumohemothorax... to Pocket...
- Podagra... to Polyadenitis...
- Polyalgia... to Polymyalgia...
- Polymyositis... to Polyunguia...
- Polyuria... to Post...
- Post... to Posthitis...
- Postimmunization... to Postvaccinal...
- Postvagotomy... to Precocious...
- Precocity... to Prepartum...
- Preponderance... to Primula...
- Primus... to Prolapse...
- Prolapsus... to Protein...
- Proteinemia... to Pseudoangioma...
- Pseudoarteriosus... to Pseudoglanders...
- Pseudoglioma... to Pseudoneuroma...
- Pseudopapilledema... to Pseudotetany...
- Pseudothalassemia... to Psychose...
- Psychosexual... to Pulmonitis...
- Pulpitis... to Putrescent...
- Pyarthritis... to Pylorospasm...
- Pylorus... to Pyopericarditis...
- Pyomyositis... to Pyuria...