- pleochromatism
- pleocytosis
- pleogamic
- pleogamy
- pleomastia
- pleomastic
- pleometrotic
- pleomorphic
- pleomorphism
- pleon
- pleonasm
- pleonastic
- pleonectic
- pleophagous
- pleophyletic
- pleopod
- pleoptics
- pleotrophic
- pleotrophy
- plerocercoid
- plerocestoid
- plerome
- plerotic
- plesiobiosis
- plesiobiotic
- plesiochronous
- plesiochronous connection
- plesiochronous network
- plesiochronous operation
- plesiomorphism
- plesiomorphous
- plesiops
- plesiosauri
- plesiosaurus
- plesiotype
- plesserthesia
- plessimeter
- plessor
- plethora
- plethoric
- plethysmogram
- plethysmograph
- plethysmography
- plethysmometer
- pleura
- pleuracentesis
- pleurae
- pleurai cavity
- pleural
- pleural effusion
- pleural mouse
- pleural recess
- pleural shock
- pleural villi
- pleuralgia
- pleuralia
- pleuramnion
- pleuranthous
- pleurectomy
- pleurisy
- pleurite
- pleuritic
- pleuro-pneumonia
- pleuroblastic
- pleurobranchiae
- pleurocarpic
- pleurocarpous
- pleuroccipital
- pleurocel
- pleurocentesis
- pleurocerebral
- pleurocutaneous
- pleurodesis
- pleurodynia
- pleuroesophageal muscle
- pleurography
- pleurolith
- pleurolysis
- pleuroperitoneal
- pleuropneumonia
- pleuroscopy
- pleurotyphoid
- pleurtomy
- pleuston
- plexal
- plexiform
- plexiform angioma
- plexiform layer
- plexiglas
- plexiglass
- pleximeter
- plexor
- plexus
- plexus cervicalis
- plexus lumbalis
- plexus pulmonalis
- plexus suprarenalis
- plexus venosus
- plezallocromy
- plezeelectric quartz