1. Not occurring together
   - nonsynchronous, unsynchronized, unsynchronous

See also: asynchronous

• Plymouth Colony
• Plymouth Rock
• plywood
• Plzen
• PM
• PMS
• PMT
• pneumatic
• pneumatic caisson
• pneumatic drill
• pneumatic hammer
• pneumatic tire
• pneumatic tyre
• pneumatically
• pneumatics
• pneumatology
• pneumatophore
• pneumococcal
• pneumococcal pneumonia
• pneumococcal vaccine
• pneumococcus
• pneumoconiosis
• pneumocystis carinii pneumonia
• pneumocystis pneumonia
• pneumocytosis