- Trousers extending down to or just below the knee.短裤：齐膝或刚过膝的裤子
- Pennsylvania Institute of Technology
- Pennsylvanian
- Pennsylvanians
- Penn Technical Institute
- Penn Valley Community College
- penny
- penny ante
- pennycress
- penny pincher
- penny-pinching
- pennyroyal
- pennyweight
- pennywhistle
- penny-wise
- pennywort
- pennyworth
- pennyworths
- penny–pinching
- penny–wise
- Penobscot
- Penobscot River
- Penobscots
- penoche
- penologies
- penology