Dirac
biographical name
Di·rac di-ˈrak 
Paul Adrien Maurice 1902–1984 English physicist
- royal antler
- Royal Arch Mason
- royal assent
- royal auction bridge
- royal bay
- royal blue
- royal casino
- royal cell
- royal coachman
- royal colony
- Royal Commission
- Royal Copenhagen
- royal decree
- royal demesne
- royal doors
- Royal Dresden
- royal eagle
- royal fern
- royal fish
- royal fizz
- royal flush
- Royal Flycatcher
- Royal Gorge
- royal green
- royal hart