lavatoriallav‧a‧to‧ri‧al /ˌlævəˈtɔːriəl◂/ adjective British English 
lavatorial jokes are about going to the toilet
lavatorial jokes are about going to the toilet- prevalent
- prevaricate
- prevarication
- prevent
- preventable
- preventative
- preventatively
- prevention
- Prevention of Terrorism Act
- preventive
- preventive detention
- preventively
- preventive medicine
- pre-verbal
- preview
- Previn, André
- previous
- previously
- pre-war
- prey
- prezzie
- Priam
- price
- price control
- price fixing