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- plug-in hybrid electric vehicle
- plug-in unit
- plug seeder
- plug seedling
- plum
- plumage
- plumb
- plumbagin
- plumbagine
- plumbaginous
- plumbago
- plumb bob
- plumbean
- plumbeous
- plumber's nightmare
- Plumbic-glazed Pottery of Han Dynasty
- plumbicon
- plumbiferous
- plumbing
- plumb line
- plumb-line deviation
- plum blossom
- Plum-blossom Boxing
- Plum-blossom Broadsword
- Plum Blossom by Wang Shishen